diff --git a/l10n/be/viewer.ftl b/l10n/be/viewer.ftl
index 130789f5be774..18a9418621d32 100644
--- a/l10n/be/viewer.ftl
+++ b/l10n/be/viewer.ftl
@@ -119,6 +119,9 @@ pdfjs-document-properties-keywords = Ключавыя словы:
 pdfjs-document-properties-creation-date = Дата стварэння:
 pdfjs-document-properties-modification-date = Дата змянення:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -277,6 +280,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } Annotation]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -408,8 +414,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Кароткае апісанне для людзей, якія не бачаць выяву, ці калі выява не загружаецца.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Гэты тэкст для атрыбута alt быў створаны аўтаматычна і можа быць недакладным
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Гэты тэкст для атрыбута alt быў створаны аўтаматычна.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Даведацца больш
 pdfjs-editor-new-alt-text-create-automatically-button-label = Ствараць тэкст для атрыбута alt аўтаматычна
 pdfjs-editor-new-alt-text-not-now-button = Не зараз
diff --git a/l10n/bg/viewer.ftl b/l10n/bg/viewer.ftl
index 7522054c024d9..36c7b518917f9 100644
--- a/l10n/bg/viewer.ftl
+++ b/l10n/bg/viewer.ftl
@@ -51,12 +51,6 @@ pdfjs-download-button-label = Изтегляне
 pdfjs-bookmark-button =
     .title = Текуща страница (преглед на адреса на страницата)
 pdfjs-bookmark-button-label = Текуща страница
-# Used in Firefox for Android.
-pdfjs-open-in-app-button =
-    .title = Отваряне в приложение
-# Used in Firefox for Android.
-# Length of the translation matters since we are in a mobile context, with limited screen estate.
-pdfjs-open-in-app-button-label = Отваряне в приложение
 
 ##  Secondary toolbar and context menu
 
@@ -111,6 +105,14 @@ pdfjs-document-properties-button-label = Свойства на документ
 pdfjs-document-properties-file-name = Име на файл:
 pdfjs-document-properties-file-size = Големина на файл:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } КБ ({ $b } байта)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } МБ ({ $b } байта)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } КБ ({ $size_b } байта)
@@ -125,6 +127,9 @@ pdfjs-document-properties-keywords = Ключови думи:
 pdfjs-document-properties-creation-date = Дата на създаване:
 pdfjs-document-properties-modification-date = Дата на промяна:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -281,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Анотация { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -301,8 +309,6 @@ pdfjs-editor-ink-button-label = Рисуване
 pdfjs-editor-stamp-button =
     .title = Добавяне или променяне на изображения
 pdfjs-editor-stamp-button-label = Добавяне или променяне на изображения
-pdfjs-editor-remove-button =
-    .title = Премахване
 
 ## Remove button for the various kind of editor.
 
@@ -382,3 +388,14 @@ pdfjs-editor-colorpicker-pink =
     .title = Розово
 pdfjs-editor-colorpicker-red =
     .title = Червено
+
+## Show all highlights
+## This is a toggle button to show/hide all the highlights.
+
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+
+## Image alt-text settings
+
diff --git a/l10n/cs/viewer.ftl b/l10n/cs/viewer.ftl
index 5a85adc9f3561..7c7ff3d8d4512 100644
--- a/l10n/cs/viewer.ftl
+++ b/l10n/cs/viewer.ftl
@@ -119,6 +119,9 @@ pdfjs-document-properties-keywords = Klíčová slova:
 pdfjs-document-properties-creation-date = Datum vytvoření:
 pdfjs-document-properties-modification-date = Datum úpravy:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -279,6 +282,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Anotace typu { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -410,8 +416,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Krátký popis pro lidi, kteří neuvidí obrázek nebo když se obrázek nenačítá.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Tento alternativní text byl vytvořen automaticky a může být nepřesný.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Tento alternativní text byl vytvořen automaticky.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Více informací
 pdfjs-editor-new-alt-text-create-automatically-button-label = Vytvořit alternativní text automaticky
 pdfjs-editor-new-alt-text-not-now-button = Teď ne
diff --git a/l10n/da/viewer.ftl b/l10n/da/viewer.ftl
index c5cb343f0ffd8..2c5f526da3c1c 100644
--- a/l10n/da/viewer.ftl
+++ b/l10n/da/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Dokumentegenskaber…
 pdfjs-document-properties-file-name = Filnavn:
 pdfjs-document-properties-file-size = Filstørrelse:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Nøgleord:
 pdfjs-document-properties-creation-date = Oprettet:
 pdfjs-document-properties-modification-date = Redigeret:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type }kommentar]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
diff --git a/l10n/dsb/viewer.ftl b/l10n/dsb/viewer.ftl
index 6ac79c5a4c6a7..f78c3661c388d 100644
--- a/l10n/dsb/viewer.ftl
+++ b/l10n/dsb/viewer.ftl
@@ -416,6 +416,12 @@ pdfjs-editor-new-alt-text-not-now-button = Nic něnto
 pdfjs-editor-new-alt-text-error-title = Alternatiwny tekst njedajo se awtomatiski napóraś
 pdfjs-editor-new-alt-text-error-description = Pšosym pišćo swój alternatiwny tekst abo wopytajśo pózdźej hyšći raz.
 pdfjs-editor-new-alt-text-error-close-button = Zacyniś
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Model KI za alternatiwny tekst se ześěgujo ({ $downloadedSize } z { $totalSize } MB)
+    .aria-valuetext = Model KI za alternatiwny tekst se ześěgujo ({ $downloadedSize } z { $totalSize } MB)
 # This is a button that users can click to edit the alt text they have already added.
 pdfjs-editor-new-alt-text-added-button-label = Alternatiwny tekst jo se pśidał
 # This is a button that users can click to open the alt text editor and add alt text when it is not present.
@@ -439,9 +445,11 @@ pdfjs-editor-alt-text-settings-create-model-description = Naraźujo wopisanja, a
 # Variables:
 #   $totalSize (Number) - the total size (in MB) of the AI model.
 pdfjs-editor-alt-text-settings-download-model-label = Model KI alternatiwnego teksta ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Běžy lokalnje na wašom rěźe, aby waše daty priwatne wóstali. Za awtomatiski alternatiwny tekst trjebny.
 pdfjs-editor-alt-text-settings-delete-model-button = Lašowaś
 pdfjs-editor-alt-text-settings-download-model-button = Ześěgnuś
 pdfjs-editor-alt-text-settings-downloading-model-button = Ześěgujo se…
 pdfjs-editor-alt-text-settings-editor-title = Editor za alternatiwny tekst
 pdfjs-editor-alt-text-settings-show-dialog-button-label = Editor alternatiwnego teksta ned pokazaś, gaž se wobraz pśidawa
+pdfjs-editor-alt-text-settings-show-dialog-description = Pomaga, wam wšym swójim wobrazam alternatiwny tekst pśidaś.
 pdfjs-editor-alt-text-settings-close-button = Zacyniś
diff --git a/l10n/el/viewer.ftl b/l10n/el/viewer.ftl
index 90dfa0d74dde3..4c5df349b5b43 100644
--- a/l10n/el/viewer.ftl
+++ b/l10n/el/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Ιδιότητες εγγράφου…
 pdfjs-document-properties-file-name = Όνομα αρχείου:
 pdfjs-document-properties-file-size = Μέγεθος αρχείου:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Λέξεις-κλειδιά:
 pdfjs-document-properties-creation-date = Ημερομηνία δημιουργίας:
 pdfjs-document-properties-modification-date = Ημερομηνία τροποποίησης:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Σχόλιο «{ $type }»]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Σύντομη περιγραφή για άτομα που δεν μπορούν να δουν την εικόνα ή όταν η εικόνα δεν φορτώνεται.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Αυτό το εναλλακτικό κείμενο δημιουργήθηκε αυτόματα και ενδέχεται να είναι ανακριβές.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Αυτό το εναλλακτικό κείμενο δημιουργήθηκε αυτόματα.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Μάθετε περισσότερα
 pdfjs-editor-new-alt-text-create-automatically-button-label = Αυτόματη δημιουργία εναλλακτικού κειμένου
 pdfjs-editor-new-alt-text-not-now-button = Όχι τώρα
diff --git a/l10n/en-GB/viewer.ftl b/l10n/en-GB/viewer.ftl
index cf255fb1a0303..9dedd14bdd039 100644
--- a/l10n/en-GB/viewer.ftl
+++ b/l10n/en-GB/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Document Properties…
 pdfjs-document-properties-file-name = File name:
 pdfjs-document-properties-file-size = File size:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } kB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } kB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Keywords:
 pdfjs-document-properties-creation-date = Creation Date:
 pdfjs-document-properties-modification-date = Modification Date:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } Annotation]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Short description for people who can’t see the image or when the image doesn’t load.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = This alt text was created automatically and may be inaccurate.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = This alt text was created automatically.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Learn more
 pdfjs-editor-new-alt-text-create-automatically-button-label = Create alt text automatically
 pdfjs-editor-new-alt-text-not-now-button = Not now
diff --git a/l10n/eo/viewer.ftl b/l10n/eo/viewer.ftl
index 23c2b24fa2658..2b77231f38600 100644
--- a/l10n/eo/viewer.ftl
+++ b/l10n/eo/viewer.ftl
@@ -298,8 +298,6 @@ pdfjs-editor-stamp-button-label = Aldoni aŭ modifi bildojn
 pdfjs-editor-highlight-button =
     .title = Elstarigi
 pdfjs-editor-highlight-button-label = Elstarigi
-pdfjs-highlight-floating-button =
-    .title = Elstarigi
 pdfjs-highlight-floating-button1 =
     .title = Elstarigi
     .aria-label = Elstarigi
@@ -394,3 +392,60 @@ pdfjs-editor-colorpicker-red =
 pdfjs-editor-highlight-show-all-button-label = Montri ĉiujn
 pdfjs-editor-highlight-show-all-button =
     .title = Montri ĉiujn
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = Modifi alternativan tekston (priskribo de bildo)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = Aldoni alternativan tekston (priskribo de bildo)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Skribu vian priskribon ĉi tie…
+# This text refers to the alt text box above this description. It offers a definition of alt text.
+pdfjs-editor-new-alt-text-description = Mallonga priskribo por personoj kiuj ne povas vidi la bildon kaj por montri kiam la bildo ne ŝargeblas.
+# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
+pdfjs-editor-new-alt-text-disclaimer1 = Tiu ĉi alternativa teksto estis aŭtomate kreita kaj povus esti malĝusta.
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Pli da informo
+pdfjs-editor-new-alt-text-create-automatically-button-label = Aŭtomate krei alternativan tekston
+pdfjs-editor-new-alt-text-not-now-button = Ne nun
+pdfjs-editor-new-alt-text-error-title = Ne eblis aŭtomate krei alternativan tekston
+pdfjs-editor-new-alt-text-error-description = Bonvolu skribi vian propran alternativan tekston aŭ provi denove poste.
+pdfjs-editor-new-alt-text-error-close-button = Fermi
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Elŝuto de modelo de artefarita intelekto por alternativa teksto ({ $downloadedSize } el { $totalSize } MO)
+    .aria-valuetext = Elŝuto de modelo de artefarita intelekto por alternativa teksto ({ $downloadedSize } el { $totalSize } MO)
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = Alternativa teksto aldonita
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Mankas alternativa teksto
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Kontroli alternativan tekston
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Aŭtomate kreita: { $generatedAltText }
+
+## Image alt-text settings
+
+pdfjs-image-alt-text-settings-button =
+    .title = Agordoj por alternativa teksto de bildoj
+pdfjs-image-alt-text-settings-button-label = Agordoj por alternativa teksto de bildoj
+pdfjs-editor-alt-text-settings-dialog-label = Agordoj por alternativa teksto de bildoj
+pdfjs-editor-alt-text-settings-automatic-title = Aŭtomata alternativa teksto
+pdfjs-editor-alt-text-settings-create-model-button-label = Aŭtomate krei alternativan tekston
+pdfjs-editor-alt-text-settings-create-model-description = Tio ĉi sugestas priskribojn por helpi personojn kiuj ne povas vidi aŭ ŝargi la bildon.
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = Modelo de artefarita intelekto por alternativa teksto ({ $totalSize } MO)
+pdfjs-editor-alt-text-settings-ai-model-description = Ĝi funkcias en via aparato, do viaj datumoj restas privataj. Ĝi estas postulata por aŭtomata kreado de alternativa teksto.
+pdfjs-editor-alt-text-settings-delete-model-button = Forigi
+pdfjs-editor-alt-text-settings-download-model-button = Elŝuti
+pdfjs-editor-alt-text-settings-downloading-model-button = Elŝuto…
+pdfjs-editor-alt-text-settings-editor-title = Redaktilo de alternativa teksto
+pdfjs-editor-alt-text-settings-show-dialog-button-label = Montri redaktilon de alternativa teksto tuj post aldono de bildo
+pdfjs-editor-alt-text-settings-show-dialog-description = Tio ĉi helpas vin kontroli ĉu ĉiuj bildoj havas alternativan tekston.
+pdfjs-editor-alt-text-settings-close-button = Fermi
diff --git a/l10n/es-AR/viewer.ftl b/l10n/es-AR/viewer.ftl
index aedaad142d110..686781e5a7351 100644
--- a/l10n/es-AR/viewer.ftl
+++ b/l10n/es-AR/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Propiedades del documento…
 pdfjs-document-properties-file-name = Nombre de archivo:
 pdfjs-document-properties-file-size = Tamaño de archovo:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Palabras clave:
 pdfjs-document-properties-creation-date = Fecha de creación:
 pdfjs-document-properties-modification-date = Fecha de modificación:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } Anotación]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Descripción corta para las personas que no pueden ver la imagen o cuando la imagen no se carga.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Este texto alternativo fue creado automáticamente y puede ser incorrecto.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Este texto alternativo se creó automáticamente.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Conocer más
 pdfjs-editor-new-alt-text-create-automatically-button-label = Crear texto alternativo automáticamente
 pdfjs-editor-new-alt-text-not-now-button = No ahora
diff --git a/l10n/es-CL/viewer.ftl b/l10n/es-CL/viewer.ftl
index 1932278917704..ede3d2520f707 100644
--- a/l10n/es-CL/viewer.ftl
+++ b/l10n/es-CL/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Propiedades del documento…
 pdfjs-document-properties-file-name = Nombre de archivo:
 pdfjs-document-properties-file-size = Tamaño del archivo:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Palabras clave:
 pdfjs-document-properties-creation-date = Fecha de creación:
 pdfjs-document-properties-modification-date = Fecha de modificación:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } Anotación]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Breve descripción para las personas que no pueden ver la imagen o cuando la imagen no se carga.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Este texto alternativo fue creado automáticamente y puede ser incorrecto.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Este texto alternativo fue creado automáticamente.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Aprender más
 pdfjs-editor-new-alt-text-create-automatically-button-label = Crear texto alternativo automáticamente
 pdfjs-editor-new-alt-text-not-now-button = Ahora no
diff --git a/l10n/fr/viewer.ftl b/l10n/fr/viewer.ftl
index 064e3b049f604..bfd483fd2c412 100644
--- a/l10n/fr/viewer.ftl
+++ b/l10n/fr/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Propriétés du document…
 pdfjs-document-properties-file-name = Nom du fichier :
 pdfjs-document-properties-file-size = Taille du fichier :
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } Ko ({ $b } octets)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } Mo ({ $b } octets)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } Ko ({ $size_b } octets)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Mots-clés :
 pdfjs-document-properties-creation-date = Date de création :
 pdfjs-document-properties-modification-date = Modifié le :
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date } à { $time }
@@ -271,6 +282,9 @@ pdfjs-annotation-date-string = { $date } à { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Annotation { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -402,8 +416,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Courte description pour les personnes qui ne peuvent pas voir l’image ou lorsque l’image ne se charge pas.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Ce texte alternatif a été créé automatiquement et peut être inexact.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Ce texte alternatif a été créé automatiquement.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = En savoir plus
 pdfjs-editor-new-alt-text-create-automatically-button-label = Créer automatiquement le texte alternatif
 pdfjs-editor-new-alt-text-not-now-button = Pas maintenant
diff --git a/l10n/fy-NL/viewer.ftl b/l10n/fy-NL/viewer.ftl
index 0d9b109429afd..d2af154ac5334 100644
--- a/l10n/fy-NL/viewer.ftl
+++ b/l10n/fy-NL/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Dokuminteigenskippen…
 pdfjs-document-properties-file-name = Bestânsnamme:
 pdfjs-document-properties-file-size = Bestânsgrutte:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Kaaiwurden:
 pdfjs-document-properties-creation-date = Oanmaakdatum:
 pdfjs-document-properties-modification-date = Bewurkingsdatum:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type }-annotaasje]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -405,7 +419,7 @@ pdfjs-editor-new-alt-text-textarea =
 # This text refers to the alt text box above this description. It offers a definition of alt text.
 pdfjs-editor-new-alt-text-description = Koarte beskriuwing foar minsken dy’t de ôfbylding net sjen kinne of wannear’t de ôfbylding net laden wurdt.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Dizze alternative tekst is automatysk oanmakke.
+pdfjs-editor-new-alt-text-disclaimer1 = Dizze alternative tekst is automatysk makke en is mooglik net korrekt.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Mear ynfo
 pdfjs-editor-new-alt-text-create-automatically-button-label = Alternative tekst automatysk oanmeitsje
 pdfjs-editor-new-alt-text-not-now-button = No net
diff --git a/l10n/he/viewer.ftl b/l10n/he/viewer.ftl
index e581b3e799459..8824f624fe35e 100644
--- a/l10n/he/viewer.ftl
+++ b/l10n/he/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = מאפייני מסמך…
 pdfjs-document-properties-file-name = שם קובץ:
 pdfjs-document-properties-file-size = גודל הקובץ:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } ק״ב ({ $b } בתים)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } מ״ב ({ $b } בתים)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } ק״ב ({ $size_b } בתים)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = מילות מפתח:
 pdfjs-document-properties-creation-date = תאריך יצירה:
 pdfjs-document-properties-modification-date = תאריך שינוי:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [הערת { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
diff --git a/l10n/hsb/viewer.ftl b/l10n/hsb/viewer.ftl
index 92dd6bb307e15..2f8e920fed0b1 100644
--- a/l10n/hsb/viewer.ftl
+++ b/l10n/hsb/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Dokumentowe kajkosće…
 pdfjs-document-properties-file-name = Mjeno dataje:
 pdfjs-document-properties-file-size = Wulkosć dataje:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bajtow)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bajtow)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bajtow)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Klučowe słowa:
 pdfjs-document-properties-creation-date = Datum wutworjenja:
 pdfjs-document-properties-modification-date = Datum změny:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -279,6 +290,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Typ přispomnjenki: { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -410,14 +424,18 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Krótke wopisanje za ludźi, kotřiž njemóžeće wobraz widźeć abo hdyž so wobraz njezačita.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Tutón alternatiwny tekst je so awtomatisce wutworił a je snano njedokładny.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Tutón alternatiwny tekst je so awtomatisce wutworił.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Dalše informacije
 pdfjs-editor-new-alt-text-create-automatically-button-label = Alternatiwny tekst awtomatisce wutworić
 pdfjs-editor-new-alt-text-not-now-button = Nic nětko
 pdfjs-editor-new-alt-text-error-title = Alternatiwny tekst njeda so awtomatisce wutworić
 pdfjs-editor-new-alt-text-error-description = Prošu pisajće swój alternatiwny tekst abo spytajće pozdźišo hišće raz.
 pdfjs-editor-new-alt-text-error-close-button = Začinić
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Model KI za alternatiwny tekst so sćahuje ({ $downloadedSize } z { $totalSize } MB)
+    .aria-valuetext = Model KI za alternatiwny tekst so sćahuje ({ $downloadedSize } z { $totalSize } MB)
 # This is a button that users can click to edit the alt text they have already added.
 pdfjs-editor-new-alt-text-added-button-label = Alternatiwny tekst je so přidał
 # This is a button that users can click to open the alt text editor and add alt text when it is not present.
@@ -441,9 +459,11 @@ pdfjs-editor-alt-text-settings-create-model-description = Namjetuje wopisanja, z
 # Variables:
 #   $totalSize (Number) - the total size (in MB) of the AI model.
 pdfjs-editor-alt-text-settings-download-model-label = Model KI alternatiwneho teksta ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Běži lokalnje na wašim graće, zo bychu waše daty priwatne wostali. Za awtomatiski alternatiwny tekst trěbny.
 pdfjs-editor-alt-text-settings-delete-model-button = Zhašeć
 pdfjs-editor-alt-text-settings-download-model-button = Sćahnyć
 pdfjs-editor-alt-text-settings-downloading-model-button = Sćahuje so…
 pdfjs-editor-alt-text-settings-editor-title = Editor za alternatiwny tekst
 pdfjs-editor-alt-text-settings-show-dialog-button-label = Editor alternatiwneho teksta hnydom pokazać, hdyž so wobraz přidawa
+pdfjs-editor-alt-text-settings-show-dialog-description = Pomha, wam wšěm swojim wobrazam alternatiwny tekst přidać.
 pdfjs-editor-alt-text-settings-close-button = Začinić
diff --git a/l10n/hu/viewer.ftl b/l10n/hu/viewer.ftl
index 88d3aad751b74..5a1956a351b9d 100644
--- a/l10n/hu/viewer.ftl
+++ b/l10n/hu/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Dokumentum tulajdonságai…
 pdfjs-document-properties-file-name = Fájlnév:
 pdfjs-document-properties-file-size = Fájlméret:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } kB ({ $b } bájt)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bájt)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bájt)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Kulcsszavak:
 pdfjs-document-properties-creation-date = Létrehozás dátuma:
 pdfjs-document-properties-modification-date = Módosítás dátuma:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } megjegyzés]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Rövid leírás azoknak, akik nem látják a képet, vagy arra az esetre, ha a kép nem tölt be.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Ez az alternatív szöveg automatikusan lett létrehozva, és pontatlan lehet.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Ez az alternatív szöveg automatikusan lett létrehozva.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = További tudnivalók
 pdfjs-editor-new-alt-text-create-automatically-button-label = Alternatív szöveg automatikus létrehozása
 pdfjs-editor-new-alt-text-not-now-button = Most nem
diff --git a/l10n/ia/viewer.ftl b/l10n/ia/viewer.ftl
index e466114b72b0d..bf207ab419439 100644
--- a/l10n/ia/viewer.ftl
+++ b/l10n/ia/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Proprietates del documento…
 pdfjs-document-properties-file-name = Nomine del file:
 pdfjs-document-properties-file-size = Dimension de file:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Parolas clave:
 pdfjs-document-properties-creation-date = Data de creation:
 pdfjs-document-properties-modification-date = Data de modification:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } Annotation]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Breve description pro personas qui non pote vider le imagine o quando le imagine non se carga.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Iste texto alternative ha essite create automaticamente e pote esser inexacte.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Iste texto alternative ha essite create automaticamente.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Pro saper plus
 pdfjs-editor-new-alt-text-create-automatically-button-label = Crear texto alternative automaticamente
 pdfjs-editor-new-alt-text-not-now-button = Non ora
diff --git a/l10n/is/viewer.ftl b/l10n/is/viewer.ftl
index 6f4f219a81363..5bd3d61f8244f 100644
--- a/l10n/is/viewer.ftl
+++ b/l10n/is/viewer.ftl
@@ -396,9 +396,34 @@ pdfjs-editor-highlight-show-all-button =
 ## New alt-text dialog
 ## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
 
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = Breyta alt-myndatexta (lýsingu á mynd)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = Bæta við alt-myndatexta (lýsingu á mynd)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Skrifaðu lýsinguna þína hér…
+# This text refers to the alt text box above this description. It offers a definition of alt text.
+pdfjs-editor-new-alt-text-description = Stutt lýsing fyrir fólk sem getur ekki séð myndina eða þegar myndin hleðst ekki inn.
+# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
+pdfjs-editor-new-alt-text-disclaimer1 = Þessi alt-myndatexti var búinn til sjálfvirkt og gæti verið ónákvæmur.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Kanna nánar
+pdfjs-editor-new-alt-text-create-automatically-button-label = Útbúa alt-myndatexta sjálfvirkt
 pdfjs-editor-new-alt-text-not-now-button = Ekki núna
+pdfjs-editor-new-alt-text-error-title = Gat ekki búið til alt-myndatexta sjálfkrafa
+pdfjs-editor-new-alt-text-error-description = Skrifaðu þinn eiginn alt-myndatexta eða reyndu aftur síðar.
 pdfjs-editor-new-alt-text-error-close-button = Loka
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Sækir gervigreindarlíkan með alt-myndatextum ({ $downloadedSize } af { $totalSize } MB)
+    .aria-valuetext = Sækir gervigreindarlíkan með alt-myndatextum ({ $downloadedSize } af { $totalSize } MB)
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = Alt-myndatexta bætt við
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Vantar alt-myndatexta
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Yfirfara myndatexta
 # "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
 # Variables:
 #   $generatedAltText (String) - the generated alt-text.
@@ -406,7 +431,21 @@ pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Útbúið sjálfv
 
 ## Image alt-text settings
 
+pdfjs-image-alt-text-settings-button =
+    .title = Stillingar fyrir alt-texta myndar
+pdfjs-image-alt-text-settings-button-label = Stillingar fyrir alt-texta myndar
+pdfjs-editor-alt-text-settings-dialog-label = Stillingar fyrir alt-texta myndar
+pdfjs-editor-alt-text-settings-automatic-title = Sjálfvirkur alt-myndatexti
+pdfjs-editor-alt-text-settings-create-model-button-label = Útbúa alt-myndatexta sjálfvirkt
+pdfjs-editor-alt-text-settings-create-model-description = Stingur upp á lýsingum til að hjálpa fólki sem getur ekki séð myndina eða þegar myndin hleðst ekki inn.
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = Gervigreindarlíkan alt-myndatexta ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Keyrir staðbundið á tækinu þínu svo gögnin þín haldast undir þinni stjórn. Nauðsynlegt fyrir sjálfvirka alt-myndatexta.
 pdfjs-editor-alt-text-settings-delete-model-button = Eyða
 pdfjs-editor-alt-text-settings-download-model-button = Sækja
 pdfjs-editor-alt-text-settings-downloading-model-button = Sæki…
+pdfjs-editor-alt-text-settings-editor-title = Ritill fyrir alt-myndatexta
+pdfjs-editor-alt-text-settings-show-dialog-button-label = Sýna alt-myndatextaritil strax þegar mynd er bætt við
+pdfjs-editor-alt-text-settings-show-dialog-description = Hjálpar þér að tryggja að allar myndirnar þínar séu með alt-myndatexta.
 pdfjs-editor-alt-text-settings-close-button = Loka
diff --git a/l10n/it/viewer.ftl b/l10n/it/viewer.ftl
index 6f128f3fba4d5..bdbed4a3569de 100644
--- a/l10n/it/viewer.ftl
+++ b/l10n/it/viewer.ftl
@@ -104,6 +104,12 @@ pdfjs-document-properties-button =
 pdfjs-document-properties-button-label = Proprietà del documento…
 pdfjs-document-properties-file-name = Nome file:
 pdfjs-document-properties-file-size = Dimensione file:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } byte)
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } byte)
 # Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
@@ -118,6 +124,7 @@ pdfjs-document-properties-subject = Oggetto:
 pdfjs-document-properties-keywords = Parole chiave:
 pdfjs-document-properties-creation-date = Data creazione:
 pdfjs-document-properties-modification-date = Data modifica:
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 # Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
@@ -220,7 +227,6 @@ pdfjs-find-match-diacritics-checkbox-label = Segni diacritici
 pdfjs-find-entire-word-checkbox-label = Parole intere
 pdfjs-find-reached-top = Raggiunto l’inizio della pagina, continua dalla fine
 pdfjs-find-reached-bottom = Raggiunta la fine della pagina, continua dall’inizio
-
 # Variables:
 #   $current (Number) - the index of the currently active find result
 #   $total (Number) - the total number of matches in the document
@@ -229,7 +235,6 @@ pdfjs-find-match-count =
         [one] { $current } di { $total } corrispondenza
        *[other] { $current } di { $total } corrispondenze
     }
-
 # Variables:
 #   $limit (Number) - the maximum number of matches
 pdfjs-find-match-count-limit =
@@ -237,7 +242,6 @@ pdfjs-find-match-count-limit =
         [one] Più di una { $limit } corrispondenza
        *[other] Più di { $limit } corrispondenze
     }
-
 pdfjs-find-not-found = Testo non trovato
 
 ## Predefined zoom values
@@ -278,6 +282,7 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Annotazione: { $type }]
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -332,7 +337,6 @@ pdfjs-editor-stamp-add-image-button-label = Aggiungi immagine
 pdfjs-editor-free-highlight-thickness-input = Spessore
 pdfjs-editor-free-highlight-thickness-title =
     .title = Modifica lo spessore della selezione per elementi non testuali
-
 pdfjs-free-text =
     .aria-label = Editor di testo
 pdfjs-free-text-default-content = Inizia a digitare…
@@ -370,12 +374,27 @@ pdfjs-editor-resizer-label-bottom-right = Angolo in basso a destra — ridimensi
 pdfjs-editor-resizer-label-bottom-middle = Lato inferiore nel mezzo — ridimensiona
 pdfjs-editor-resizer-label-bottom-left = Angolo in basso a sinistra — ridimensiona
 pdfjs-editor-resizer-label-middle-left = Lato sinistro nel mezzo — ridimensiona
+pdfjs-editor-resizer-top-left =
+    .aria-label = Angolo in alto a sinistra — ridimensiona
+pdfjs-editor-resizer-top-middle =
+    .aria-label = Lato superiore nel mezzo — ridimensiona
+pdfjs-editor-resizer-top-right =
+    .aria-label = Angolo in alto a destra — ridimensiona
+pdfjs-editor-resizer-middle-right =
+    .aria-label = Lato destro nel mezzo — ridimensiona
+pdfjs-editor-resizer-bottom-right =
+    .aria-label = Angolo in basso a destra — ridimensiona
+pdfjs-editor-resizer-bottom-middle =
+    .aria-label = Lato inferiore nel mezzo — ridimensiona
+pdfjs-editor-resizer-bottom-left =
+    .aria-label = Angolo in basso a sinistra — ridimensiona
+pdfjs-editor-resizer-middle-left =
+    .aria-label = Lato sinistro nel mezzo — ridimensiona
 
 ## Color picker
 
 # This means "Color used to highlight text"
 pdfjs-editor-highlight-colorpicker-label = Colore evidenziatore
-
 pdfjs-editor-colorpicker-button =
     .title = Cambia colore
 pdfjs-editor-colorpicker-dropdown =
@@ -403,42 +422,32 @@ pdfjs-editor-highlight-show-all-button =
 
 # Modal header positioned above a text box where users can edit the alt text.
 pdfjs-editor-new-alt-text-dialog-edit-label = Modifica testo alternativo (descrizione dell’immagine)
-
 # Modal header positioned above a text box where users can add the alt text.
 pdfjs-editor-new-alt-text-dialog-add-label = Aggiungi testo alternativo (descrizione dell’immagine)
-
 pdfjs-editor-new-alt-text-textarea =
     .placeholder = Scrivi qui la tua descrizione…
-
 # This text refers to the alt text box above this description. It offers a definition of alt text.
 pdfjs-editor-new-alt-text-description = Breve descrizione per le persone che non possono vedere l’immagine, o mostrata quando l’immagine non si carica.
-
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Questo testo alternativo è stato creato automaticamente e potrebbe non essere accurato.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Ulteriori informazioni
-
 pdfjs-editor-new-alt-text-create-automatically-button-label = Crea automaticamente testo alternativo
 pdfjs-editor-new-alt-text-not-now-button = Non adesso
 pdfjs-editor-new-alt-text-error-title = Impossibile creare automaticamente il testo alternativo
 pdfjs-editor-new-alt-text-error-description = Scrivi il testo alternativo o riprova più tardi.
 pdfjs-editor-new-alt-text-error-close-button = Chiudi
-
 # Variables:
 #   $totalSize (Number) - the total size (in MB) of the AI model.
 #   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
 #   $percent (Number) - the percentage of the downloaded size.
 pdfjs-editor-new-alt-text-ai-model-downloading-progress = Download in corso del modello IA per il testo alternativo ({ $downloadedSize } di { $totalSize } MB)
     .aria-valuetext = Download in corso del modello IA per il testo alternativo ({ $downloadedSize } di { $totalSize } MB)
-
 # This is a button that users can click to edit the alt text they have already added.
 pdfjs-editor-new-alt-text-added-button-label = Aggiunto testo alternativo
-
 # This is a button that users can click to open the alt text editor and add alt text when it is not present.
 pdfjs-editor-new-alt-text-missing-button-label = Testo alternativo mancante
-
 # This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
 pdfjs-editor-new-alt-text-to-review-button-label = Verifica testo alternativo
-
 # "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
 # Variables:
 #   $generatedAltText (String) - the generated alt-text.
@@ -449,23 +458,18 @@ pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Creato automatica
 pdfjs-image-alt-text-settings-button =
     .title = Impostazioni testo alternativo per le immagini
 pdfjs-image-alt-text-settings-button-label = Impostazioni testo alternativo per le immagini
-
 pdfjs-editor-alt-text-settings-dialog-label = Impostazioni testo alternativo per le immagini
 pdfjs-editor-alt-text-settings-automatic-title = Testo alternativo automatico
 pdfjs-editor-alt-text-settings-create-model-button-label = Crea testo alternativo automaticamente
 pdfjs-editor-alt-text-settings-create-model-description = Suggerisce una descrizione per le persone che non possono vedere l’immagine, o mostrata quando l’immagine non si carica.
-
 # Variables:
 #   $totalSize (Number) - the total size (in MB) of the AI model.
 pdfjs-editor-alt-text-settings-download-model-label = Modello IA per il testo alternativo ({ $totalSize } MB)
-
 pdfjs-editor-alt-text-settings-ai-model-description = Viene eseguito localmente sul tuo dispositivo in modo che i tuoi dati rimangano riservati. È richiesto per la generazione automatica del testo alternativo.
 pdfjs-editor-alt-text-settings-delete-model-button = Elimina
 pdfjs-editor-alt-text-settings-download-model-button = Scarica
 pdfjs-editor-alt-text-settings-downloading-model-button = Download…
-
 pdfjs-editor-alt-text-settings-editor-title = Modifica testo alternativo
 pdfjs-editor-alt-text-settings-show-dialog-button-label = Mostra l’editor del testo alternativo non appena si aggiunge un’immagine
 pdfjs-editor-alt-text-settings-show-dialog-description = Ti aiuta ad assicurarti che tutte le tue immagini abbiano il testo alternativo.
-
 pdfjs-editor-alt-text-settings-close-button = Chiudi
diff --git a/l10n/kk/viewer.ftl b/l10n/kk/viewer.ftl
index ec38165b93a77..f8abb1ba47cf1 100644
--- a/l10n/kk/viewer.ftl
+++ b/l10n/kk/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Құжат қасиеттері…
 pdfjs-document-properties-file-name = Файл аты:
 pdfjs-document-properties-file-size = Файл өлшемі:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } КБ ({ $b } байт)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } МБ ({ $b } байт)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } КБ ({ $size_b } байт)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Кілт сөздер:
 pdfjs-document-properties-creation-date = Жасалған күні:
 pdfjs-document-properties-modification-date = Түзету күні:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } аңдатпасы]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Суретті көре алмайтын адамдар үшін немесе сурет жүктелмеген кезіне арналған қысқаша сипаттама.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Бұл балама мәтін автоматты түрде жасалды және дәлсіз болуы мүмкін.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Бұл балама мәтін автоматты түрде жасалды.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Көбірек білу
 pdfjs-editor-new-alt-text-create-automatically-button-label = Балама мәтінді автоматты түрде жасау
 pdfjs-editor-new-alt-text-not-now-button = Қазір емес
diff --git a/l10n/ko/viewer.ftl b/l10n/ko/viewer.ftl
index 85441eb2c8bdb..5c9b91f630b03 100644
--- a/l10n/ko/viewer.ftl
+++ b/l10n/ko/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = 문서 속성…
 pdfjs-document-properties-file-name = 파일 이름:
 pdfjs-document-properties-file-size = 파일 크기:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } 바이트)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } 바이트)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b }바이트)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = 키워드:
 pdfjs-document-properties-creation-date = 작성 날짜:
 pdfjs-document-properties-modification-date = 수정 날짜:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -267,6 +278,9 @@ pdfjs-annotation-date-string = { $date } { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } 주석]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -398,8 +412,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = 이미지가 보이지 않거나 이미지가 로딩되지 않는 경우를 위한 간단한 설명입니다.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = 이 대체 텍스트는 자동으로 생성되었으므로 정확하지 않을 수 있습니다.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = 이 대체 텍스트는 자동으로 생성되었습니다.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = 더 알아보기
 pdfjs-editor-new-alt-text-create-automatically-button-label = 자동으로 대체 텍스트 생성
 pdfjs-editor-new-alt-text-not-now-button = 나중에
diff --git a/l10n/nl/viewer.ftl b/l10n/nl/viewer.ftl
index d2fc55dbf1d34..8a76d43abf878 100644
--- a/l10n/nl/viewer.ftl
+++ b/l10n/nl/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Documenteigenschappen…
 pdfjs-document-properties-file-name = Bestandsnaam:
 pdfjs-document-properties-file-size = Bestandsgrootte:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Sleutelwoorden:
 pdfjs-document-properties-creation-date = Aanmaakdatum:
 pdfjs-document-properties-modification-date = Wijzigingsdatum:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type }-aantekening]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -405,7 +419,7 @@ pdfjs-editor-new-alt-text-textarea =
 # This text refers to the alt text box above this description. It offers a definition of alt text.
 pdfjs-editor-new-alt-text-description = Korte beschrijving voor mensen die de afbeelding niet kunnen zien of wanneer de afbeelding niet wordt geladen.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Deze alternatieve tekst is automatisch aangemaakt.
+pdfjs-editor-new-alt-text-disclaimer1 = Deze alternatieve tekst is automatisch gemaakt en is mogelijk onjuist.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Meer info
 pdfjs-editor-new-alt-text-create-automatically-button-label = Alternatieve tekst automatisch aanmaken
 pdfjs-editor-new-alt-text-not-now-button = Niet nu
diff --git a/l10n/nn-NO/viewer.ftl b/l10n/nn-NO/viewer.ftl
index c6af675636453..fbee62c295b49 100644
--- a/l10n/nn-NO/viewer.ftl
+++ b/l10n/nn-NO/viewer.ftl
@@ -406,14 +406,18 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Kort skildring for personar som ikkje kan sjå bildet, eller når bildet ikkje lastar inn.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Denne alternative teksten vart oppretta automatisk, og kan vere unøyaktig.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Denne alternative teksten vart oppretta automatisk.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Les meir
 pdfjs-editor-new-alt-text-create-automatically-button-label = Opprett alternativ tekt automatisk
 pdfjs-editor-new-alt-text-not-now-button = Ikkje no
 pdfjs-editor-new-alt-text-error-title = Klarte ikkje å opprette alternativ tekst automatisk
 pdfjs-editor-new-alt-text-error-description = Skriv din eigen alternative tekst eller prøv igjen seinare.
 pdfjs-editor-new-alt-text-error-close-button = Lat att
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Lastar ned AI-modell med alternativ tekst ({ $downloadedSize } av { $totalSize } MB)
+    .aria-valuetext = Lastar ned AI-modell med alternativ tekst ({ $downloadedSize } av { $totalSize } MB)
 # This is a button that users can click to edit the alt text they have already added.
 pdfjs-editor-new-alt-text-added-button-label = Alternativ tekst lagt til
 # This is a button that users can click to open the alt text editor and add alt text when it is not present.
diff --git a/l10n/pl/viewer.ftl b/l10n/pl/viewer.ftl
index b34d607444def..4f98f870851c1 100644
--- a/l10n/pl/viewer.ftl
+++ b/l10n/pl/viewer.ftl
@@ -51,12 +51,6 @@ pdfjs-download-button-label = Pobierz
 pdfjs-bookmark-button =
     .title = Bieżąca strona (adres do otwarcia na bieżącej stronie)
 pdfjs-bookmark-button-label = Bieżąca strona
-# Used in Firefox for Android.
-pdfjs-open-in-app-button =
-    .title = Otwórz w aplikacji
-# Used in Firefox for Android.
-# Length of the translation matters since we are in a mobile context, with limited screen estate.
-pdfjs-open-in-app-button-label = Otwórz w aplikacji
 
 ##  Secondary toolbar and context menu
 
@@ -306,8 +300,6 @@ pdfjs-editor-stamp-button-label = Dodaj lub edytuj obrazy
 pdfjs-editor-highlight-button =
     .title = Wyróżnij
 pdfjs-editor-highlight-button-label = Wyróżnij
-pdfjs-highlight-floating-button =
-    .title = Wyróżnij
 pdfjs-highlight-floating-button1 =
     .title = Wyróżnij
     .aria-label = Wyróżnij
@@ -402,3 +394,60 @@ pdfjs-editor-colorpicker-red =
 pdfjs-editor-highlight-show-all-button-label = Pokaż wszystkie
 pdfjs-editor-highlight-show-all-button =
     .title = Pokaż wszystkie
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = Edytuj tekst alternatywny (opis obrazu)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = Dodaj tekst alternatywny (opis obrazu)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Napisz tutaj opis…
+# This text refers to the alt text box above this description. It offers a definition of alt text.
+pdfjs-editor-new-alt-text-description = Krótki opis dla osób, które nie widzą obrazu lub kiedy obraz się nie wczytuje.
+# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
+pdfjs-editor-new-alt-text-disclaimer1 = Ten tekst alternatywny został utworzony automatycznie i może być niepoprawny.
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Więcej informacji
+pdfjs-editor-new-alt-text-create-automatically-button-label = Automatycznie utwórz tekst alternatywny
+pdfjs-editor-new-alt-text-not-now-button = Nie teraz
+pdfjs-editor-new-alt-text-error-title = Nie można automatycznie utworzyć tekstu alternatywnego
+pdfjs-editor-new-alt-text-error-description = Proszę napisać własny tekst alternatywny lub spróbować ponownie później.
+pdfjs-editor-new-alt-text-error-close-button = Zamknij
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Pobieranie modelu SI tekstu alternatywnego ({ $downloadedSize } z { $totalSize } MB)
+    .aria-valuetext = Pobieranie modelu SI tekstu alternatywnego ({ $downloadedSize } z { $totalSize } MB)
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = Dodano tekst alternatywny
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Brak tekstu alternatywnego
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Przejrzyj tekst alternatywny
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Utworzono automatycznie: { $generatedAltText }
+
+## Image alt-text settings
+
+pdfjs-image-alt-text-settings-button =
+    .title = Ustawienia tekstu alternatywnego obrazów
+pdfjs-image-alt-text-settings-button-label = Ustawienia tekstu alternatywnego obrazów
+pdfjs-editor-alt-text-settings-dialog-label = Ustawienia tekstu alternatywnego obrazów
+pdfjs-editor-alt-text-settings-automatic-title = Automatyczny tekst alternatywny
+pdfjs-editor-alt-text-settings-create-model-button-label = Automatyczne tworzenie tekstu alternatywnego
+pdfjs-editor-alt-text-settings-create-model-description = Podpowiada opisy, które mogą pomóc osobom, które nie widzą obrazu lub kiedy obraz się nie wczytuje.
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = Model SI tekstu alternatywnego ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Działa lokalnie na urządzeniu użytkownika, więc Twoje dane pozostają prywatne. Wymagane do funkcji automatycznego tekstu alternatywnego.
+pdfjs-editor-alt-text-settings-delete-model-button = Usuń
+pdfjs-editor-alt-text-settings-download-model-button = Pobierz
+pdfjs-editor-alt-text-settings-downloading-model-button = Pobieranie…
+pdfjs-editor-alt-text-settings-editor-title = Edytor tekstu alternatywnego
+pdfjs-editor-alt-text-settings-show-dialog-button-label = Wyświetlanie edytora tekstu alternatywnego od razu po dodaniu obrazu
+pdfjs-editor-alt-text-settings-show-dialog-description = Pomaga upewnić się, że wszystkie obrazy mają tekst alternatywny.
+pdfjs-editor-alt-text-settings-close-button = Zamknij
diff --git a/l10n/pt-BR/viewer.ftl b/l10n/pt-BR/viewer.ftl
index bbab88fe88094..f3fc1076680a6 100644
--- a/l10n/pt-BR/viewer.ftl
+++ b/l10n/pt-BR/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Propriedades do documento…
 pdfjs-document-properties-file-name = Nome do arquivo:
 pdfjs-document-properties-file-size = Tamanho do arquivo:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Palavras-chave:
 pdfjs-document-properties-creation-date = Data da criação:
 pdfjs-document-properties-modification-date = Data da modificação:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Anotação { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Descrição curta para pessoas que não conseguem ver a imagem ou quando a imagem não é carregada.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Este texto alternativo foi criado automaticamente, pode não estar correto.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Este texto alternativo foi criado automaticamente.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Saiba mais
 pdfjs-editor-new-alt-text-create-automatically-button-label = Criar texto alternativo automaticamente
 pdfjs-editor-new-alt-text-not-now-button = Agora não
diff --git a/l10n/ru/viewer.ftl b/l10n/ru/viewer.ftl
index d1db5a9411625..dd2aa198ce487 100644
--- a/l10n/ru/viewer.ftl
+++ b/l10n/ru/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Свойства документа…
 pdfjs-document-properties-file-name = Имя файла:
 pdfjs-document-properties-file-size = Размер файла:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } КБ ({ $b } байт)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } МБ ({ $b } байт)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } КБ ({ $size_b } байт)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Ключевые слова:
 pdfjs-document-properties-creation-date = Дата создания:
 pdfjs-document-properties-modification-date = Дата изменения:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -277,6 +288,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Аннотация { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -408,8 +422,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Короткое описание для людей, которые не видят изображение, или если изображение не загружается.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Этот альтернативный текст был создан автоматически и может быть неточным.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Этот альтернативный текст был создан автоматически.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Подробнее
 pdfjs-editor-new-alt-text-create-automatically-button-label = Автоматически создавать альтернативный текст
 pdfjs-editor-new-alt-text-not-now-button = Не сейчас
diff --git a/l10n/sc/viewer.ftl b/l10n/sc/viewer.ftl
index a51943c90ec31..1137c2bb083f8 100644
--- a/l10n/sc/viewer.ftl
+++ b/l10n/sc/viewer.ftl
@@ -51,12 +51,6 @@ pdfjs-download-button-label = Iscàrriga
 pdfjs-bookmark-button =
     .title = Pàgina atuale (ammustra s’URL de sa pàgina atuale)
 pdfjs-bookmark-button-label = Pàgina atuale
-# Used in Firefox for Android.
-pdfjs-open-in-app-button =
-    .title = Aberi in un’aplicatzione
-# Used in Firefox for Android.
-# Length of the translation matters since we are in a mobile context, with limited screen estate.
-pdfjs-open-in-app-button-label = Aberi in un’aplicatzione
 
 ##  Secondary toolbar and context menu
 
@@ -266,6 +260,27 @@ pdfjs-editor-ink-button-label = Disinnu
 pdfjs-editor-stamp-button =
     .title = Agiunghe o modìfica immàgines
 pdfjs-editor-stamp-button-label = Agiunghe o modìfica immàgines
+pdfjs-editor-highlight-button =
+    .title = Evidèntzia
+pdfjs-editor-highlight-button-label = Evidèntzia
+pdfjs-highlight-floating-button1 =
+    .title = Evidèntzia
+    .aria-label = Evidèntzia
+pdfjs-highlight-floating-button-label = Evidèntzia
+
+## Remove button for the various kind of editor.
+
+pdfjs-editor-remove-ink-button =
+    .title = Boga su disinnu
+pdfjs-editor-remove-freetext-button =
+    .title = Boga su testu
+pdfjs-editor-remove-stamp-button =
+    .title = Boga s’immàgine
+pdfjs-editor-remove-highlight-button =
+    .title = Boga s’evidèntzia
+
+##
+
 # Editor Parameters
 pdfjs-editor-free-text-color-input = Colore
 pdfjs-editor-free-text-size-input = Mannària
@@ -274,6 +289,8 @@ pdfjs-editor-ink-thickness-input = Grussària
 pdfjs-editor-stamp-add-image-button =
     .title = Agiunghe un’immàgine
 pdfjs-editor-stamp-add-image-button-label = Agiunghe un’immàgine
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Grussària
 pdfjs-free-text =
     .aria-label = Editore de testu
 pdfjs-free-text-default-content = Cumintza a iscrìere…
@@ -284,7 +301,67 @@ pdfjs-ink-canvas =
 
 ## Alt-text dialog
 
+# Alternative text (alt text) helps when people can't see the image.
+pdfjs-editor-alt-text-button-label = Testu alternativu
+pdfjs-editor-alt-text-edit-button-label = Modifica su testu alternativu
+pdfjs-editor-alt-text-dialog-label = Sèbera un’optzione
+pdfjs-editor-alt-text-dialog-description = Su testu alternativu (“alt text”) est ùtile pro persones chi non podent bìdere s’immàgine o cando non benit carrigada.
+pdfjs-editor-alt-text-add-description-label = Agiunghe una descritzione
+pdfjs-editor-alt-text-cancel-button = Annulla
+pdfjs-editor-alt-text-save-button = Sarva
 
 ## Editor resizers
 ## This is used in an aria label to help to understand the role of the resizer.
 
+
+## Color picker
+
+pdfjs-editor-colorpicker-button =
+    .title = Modifica su colore
+pdfjs-editor-colorpicker-dropdown =
+    .aria-label = Colores a disponimentu
+pdfjs-editor-colorpicker-yellow =
+    .title = Grogu
+pdfjs-editor-colorpicker-green =
+    .title = Birde
+pdfjs-editor-colorpicker-blue =
+    .title = Biaitu
+pdfjs-editor-colorpicker-pink =
+    .title = Rosa
+
+## Show all highlights
+## This is a toggle button to show/hide all the highlights.
+
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Mancat su testu alternativu
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Revisiona su testu alternativu
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Creadu in automàticu: { $generatedAltText }
+
+## Image alt-text settings
+
+pdfjs-image-alt-text-settings-button =
+    .title = Cunfiguratzione de su testu alternativu de is immàgines
+pdfjs-image-alt-text-settings-button-label = Cunfiguratzione de su testu alternativu de is immàgines
+pdfjs-editor-alt-text-settings-dialog-label = Cunfiguratzione de su testu alternativu de is immàgines
+pdfjs-editor-alt-text-settings-automatic-title = Testu alternativu automàticu
+pdfjs-editor-alt-text-settings-create-model-button-label = Crea testu alternativu in automàticu
+pdfjs-editor-alt-text-settings-create-model-description = Cussìgiat descritziones pro agiudare a gente chi non podet bìdere s’immàgine o cando non benit carrigada.
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = Modellu de IA pro su testu alternativu ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Est esecutadu in locale in manera chi is datos tuos abarrent in privadu. Rechestu pro sa generatzione automàtica de testu alternativu.
+pdfjs-editor-alt-text-settings-delete-model-button = Cantzella
+pdfjs-editor-alt-text-settings-download-model-button = Iscàrriga
+pdfjs-editor-alt-text-settings-downloading-model-button = Iscarrighende…
+pdfjs-editor-alt-text-settings-editor-title = Editore de testu alternativu
+pdfjs-editor-alt-text-settings-show-dialog-button-label = Mustra deretu s’editore de testu alternativu cando siat agiunta un’immàgine
+pdfjs-editor-alt-text-settings-show-dialog-description = T’agiudat a assegurare chi totu is immàgines tuas tèngiant unu testu alternativu.
+pdfjs-editor-alt-text-settings-close-button = Serra
diff --git a/l10n/skr/viewer.ftl b/l10n/skr/viewer.ftl
index a150dff84437e..f129ea86193d7 100644
--- a/l10n/skr/viewer.ftl
+++ b/l10n/skr/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = دستاویز خواص …
 pdfjs-document-properties-file-name = فائل دا ناں:
 pdfjs-document-properties-file-size = فائل دا سائز:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } بائٹاں)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } بائٹاں)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } کے بی ({ $size_b } بائٹس)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = کلیدی الفاظ:
 pdfjs-document-properties-creation-date = تخلیق دی تاریخ:
 pdfjs-document-properties-modification-date = ترمیم دی تاریخ:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } تشریح]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -396,9 +410,23 @@ pdfjs-editor-highlight-show-all-button =
 ## New alt-text dialog
 ## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
 
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = اتھ آپݨی وضاحت لکھو۔۔۔
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = ٻیا سِکھو
+pdfjs-editor-new-alt-text-create-automatically-button-label = آلٹ عبارت خودکار بݨاؤ
 pdfjs-editor-new-alt-text-not-now-button = ہݨ کائناں
+pdfjs-editor-new-alt-text-error-title = آلٹ عبارت خودکار نہ بݨاؤ
 pdfjs-editor-new-alt-text-error-close-button = بند کرو
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = آلٹ عبارت شامل تھی ڳئی
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = متبادل عبارت غائب ہے
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = alt متن تے نظرثانی کرو
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = خودکار تخلیق تھئی: { $generatedAltText }
 
 ## Image alt-text settings
 
@@ -407,7 +435,9 @@ pdfjs-image-alt-text-settings-button =
 pdfjs-image-alt-text-settings-button-label = تصویر آلٹ عبارت ترتیباں
 pdfjs-editor-alt-text-settings-dialog-label = تصویر آلٹ عبارت ترتیباں
 pdfjs-editor-alt-text-settings-automatic-title = خودکار آلٹ عبارت
+pdfjs-editor-alt-text-settings-create-model-button-label = آلٹ عبارت خودکار بݨاؤ
 pdfjs-editor-alt-text-settings-delete-model-button = مٹاؤ
 pdfjs-editor-alt-text-settings-download-model-button = ڈاؤن لوڈ
 pdfjs-editor-alt-text-settings-downloading-model-button = ڈاؤن لوڈ تھیندا پئے …
+pdfjs-editor-alt-text-settings-editor-title = متبادل ٹیکسٹ ایڈیٹر
 pdfjs-editor-alt-text-settings-close-button = بند کرو
diff --git a/l10n/sl/viewer.ftl b/l10n/sl/viewer.ftl
index 841dfccb97898..7c90021fa0f78 100644
--- a/l10n/sl/viewer.ftl
+++ b/l10n/sl/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Lastnosti dokumenta …
 pdfjs-document-properties-file-name = Ime datoteke:
 pdfjs-document-properties-file-size = Velikost datoteke:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bajtov)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bajtov)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bajtov)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Ključne besede:
 pdfjs-document-properties-creation-date = Datum nastanka:
 pdfjs-document-properties-modification-date = Datum spremembe:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -279,6 +290,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Opomba vrste { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -396,3 +410,60 @@ pdfjs-editor-colorpicker-red =
 pdfjs-editor-highlight-show-all-button-label = Prikaži vse
 pdfjs-editor-highlight-show-all-button =
     .title = Prikaži vse
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = Uredi nadomestno besedilo (opis slike)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = Dodaj nadomestno besedilo (opis slike)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Tukaj napišite svoj opis …
+# This text refers to the alt text box above this description. It offers a definition of alt text.
+pdfjs-editor-new-alt-text-description = Kratek opis za ljudi, ki ne morejo videti slike, ali za primer, ko se slika ne naloži.
+# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
+pdfjs-editor-new-alt-text-disclaimer1 = To nadomestno besedilo je bilo ustvarjeno samodejno in je lahko netočno.
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Več o tem
+pdfjs-editor-new-alt-text-create-automatically-button-label = Samodejno ustvari nadomestno besedilo
+pdfjs-editor-new-alt-text-not-now-button = Ne zdaj
+pdfjs-editor-new-alt-text-error-title = Nadomestnega besedila ni bilo mogoče samodejno ustvariti
+pdfjs-editor-new-alt-text-error-description = Sestavite svoje nadomestno besedilo ali poskusite znova pozneje.
+pdfjs-editor-new-alt-text-error-close-button = Zapri
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Prenašanje modela UI za nadomestno besedilo ({ $downloadedSize } od { $totalSize } MB)
+    .aria-valuetext = Prenašanje modela UI za nadomestno besedilo ({ $downloadedSize } od { $totalSize } MB)
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = Nadomestno besedilo dodano
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Nadomestno besedilo manjka
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Oceni nadomestno besedilo
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Samodejno ustvarjeno: { $generatedAltText }
+
+## Image alt-text settings
+
+pdfjs-image-alt-text-settings-button =
+    .title = Nastavitve nadomestnega besedila slike
+pdfjs-image-alt-text-settings-button-label = Nastavitve nadomestnega besedila slike
+pdfjs-editor-alt-text-settings-dialog-label = Nastavitve nadomestnega besedila slike
+pdfjs-editor-alt-text-settings-automatic-title = Samodejno nadomestno besedilo
+pdfjs-editor-alt-text-settings-create-model-button-label = Samodejno ustvari nadomestno besedilo
+pdfjs-editor-alt-text-settings-create-model-description = Predlaga opise za pomoč ljudem, ki ne morejo videti slike, ali za primer, ko se slika ne naloži.
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = Model UI za nadomestno besedilo ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Izvaja se lokalno na vaši napravi, tako da vaši podatki ostajajo zasebni. Zahtevano za samodejno nadomestno besedilo.
+pdfjs-editor-alt-text-settings-delete-model-button = Izbriši
+pdfjs-editor-alt-text-settings-download-model-button = Prenesi
+pdfjs-editor-alt-text-settings-downloading-model-button = Prenašanje ...
+pdfjs-editor-alt-text-settings-editor-title = Urejevalnik nadomestnega besedila
+pdfjs-editor-alt-text-settings-show-dialog-button-label = Ob dodajanju slike takoj prikaži urejevalnik nadomestnega besedila
+pdfjs-editor-alt-text-settings-show-dialog-description = Pomaga vam zagotoviti, da imajo vse vaše slike nadomestno besedilo.
+pdfjs-editor-alt-text-settings-close-button = Zapri
diff --git a/l10n/sq/viewer.ftl b/l10n/sq/viewer.ftl
index be5b273dc7147..eb27d41d7bcd4 100644
--- a/l10n/sq/viewer.ftl
+++ b/l10n/sq/viewer.ftl
@@ -289,8 +289,6 @@ pdfjs-editor-stamp-button-label = Shtoni ose përpunoni figura
 pdfjs-editor-highlight-button =
     .title = Theksim
 pdfjs-editor-highlight-button-label = Theksoje
-pdfjs-highlight-floating-button =
-    .title = Theksim
 pdfjs-highlight-floating-button1 =
     .title = Theksim
     .aria-label = Theksim
@@ -385,3 +383,60 @@ pdfjs-editor-colorpicker-red =
 pdfjs-editor-highlight-show-all-button-label = Shfaqi krejt
 pdfjs-editor-highlight-show-all-button =
     .title = Shfaqi krejt
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = Përpunoni tekst alternativ (përshkrim figure)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = Shtoni tekst alternativ (përshkrim figure)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Shkruani këtu përshkrimin tuaj…
+# This text refers to the alt text box above this description. It offers a definition of alt text.
+pdfjs-editor-new-alt-text-description = Përshkrim i shkurtër për persona që s’munden të shohin figurën, ose për kur figura nuk ngarkohet dot.
+# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
+pdfjs-editor-new-alt-text-disclaimer1 = Ky tekst alternativ qe krijuar automatikisht dhe mund të jetë i pasaktë.
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Mësoni më tepër
+pdfjs-editor-new-alt-text-create-automatically-button-label = Krijo automatikisht tekst alternativ
+pdfjs-editor-new-alt-text-not-now-button = Jo tani
+pdfjs-editor-new-alt-text-error-title = S’u krijua dot automatikisht tekst alternativ
+pdfjs-editor-new-alt-text-error-description = Ju lutemi, shkruani tekstin tuaj alternativ, ose riprovoni më vonë.
+pdfjs-editor-new-alt-text-error-close-button = Mbylle
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Po shkarkohet model IA teksti alternativ ({ $downloadedSize } nga { $totalSize } MB)
+    .aria-valuetext = Po shkarkohet model IA teksti alternativ ({ $downloadedSize } nga { $totalSize } MB)
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = U shtua tekst alternativ
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Mungon teskt alternativ
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Shqyrtoni tekst alternativ
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Krijuar automatikisht: { $generatedAltText }
+
+## Image alt-text settings
+
+pdfjs-image-alt-text-settings-button =
+    .title = Rregullime teksti alternativ figure
+pdfjs-image-alt-text-settings-button-label = Rregullime teksti alternativ figure
+pdfjs-editor-alt-text-settings-dialog-label = Rregullime teksti alternativ figure
+pdfjs-editor-alt-text-settings-automatic-title = Tekst alternativ i automatizuar
+pdfjs-editor-alt-text-settings-create-model-button-label = Krijo automatikisht tekst alternativ
+pdfjs-editor-alt-text-settings-create-model-description = Sugjeron përshkrime, për të ndihmuar persona që s’munden të shohin figurën, ose për kur figura nuk ngarkohet dot.
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = Model IA teksti alternativ ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Xhiron lokalisht në pajisjen tuaj, pra të dhënat tuaja mbeten private. E domosdoshme për tekst të automatizuar alternativ.
+pdfjs-editor-alt-text-settings-delete-model-button = Fshije
+pdfjs-editor-alt-text-settings-download-model-button = Shkarkoje
+pdfjs-editor-alt-text-settings-downloading-model-button = Po shkarkohet…
+pdfjs-editor-alt-text-settings-editor-title = Përpunues teksti alternativ
+pdfjs-editor-alt-text-settings-show-dialog-button-label = Shfaq menjëherë përpunues teksti alternativ, kur shtohet një figurë
+pdfjs-editor-alt-text-settings-show-dialog-description = Ju ndihmon të siguroheni se krejt figurat tuaja kanë tekst alternativ.
+pdfjs-editor-alt-text-settings-close-button = Mbylle
diff --git a/l10n/sv-SE/viewer.ftl b/l10n/sv-SE/viewer.ftl
index 1d258946a9f2b..2590ce8d95de6 100644
--- a/l10n/sv-SE/viewer.ftl
+++ b/l10n/sv-SE/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Dokumentegenskaper…
 pdfjs-document-properties-file-name = Filnamn:
 pdfjs-document-properties-file-size = Filstorlek:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } kB ({ $b } byte)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } byte)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } kB ({ $size_b } byte)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Nyckelord:
 pdfjs-document-properties-creation-date = Skapades:
 pdfjs-document-properties-modification-date = Ändrades:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date } { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type }-annotering]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Kort beskrivning för personer som inte kan se bilden eller när bilden inte laddas.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Denna alternativa text skapades automatiskt och kan vara felaktig.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Denna alternativa text skapades automatiskt.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Läs mer
 pdfjs-editor-new-alt-text-create-automatically-button-label = Skapa alternativ text automatiskt
 pdfjs-editor-new-alt-text-not-now-button = Inte nu
diff --git a/l10n/tg/viewer.ftl b/l10n/tg/viewer.ftl
index 42964701c4886..8b3c03df1986d 100644
--- a/l10n/tg/viewer.ftl
+++ b/l10n/tg/viewer.ftl
@@ -298,8 +298,6 @@ pdfjs-editor-stamp-button-label = Илова ё таҳрир кардани та
 pdfjs-editor-highlight-button =
     .title = Ҷудокунӣ
 pdfjs-editor-highlight-button-label = Ҷудокунӣ
-pdfjs-highlight-floating-button =
-    .title = Ҷудокунӣ
 pdfjs-highlight-floating-button1 =
     .title = Ҷудокунӣ
     .aria-label = Ҷудокунӣ
@@ -394,3 +392,11 @@ pdfjs-editor-colorpicker-red =
 pdfjs-editor-highlight-show-all-button-label = Ҳамаро намоиш додан
 pdfjs-editor-highlight-show-all-button =
     .title = Ҳамаро намоиш додан
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Маълумоти бештар
+
+## Image alt-text settings
+
diff --git a/l10n/th/viewer.ftl b/l10n/th/viewer.ftl
index 283b440cb7155..99787cfbc6794 100644
--- a/l10n/th/viewer.ftl
+++ b/l10n/th/viewer.ftl
@@ -51,12 +51,6 @@ pdfjs-download-button-label = ดาวน์โหลด
 pdfjs-bookmark-button =
     .title = หน้าปัจจุบัน (ดู URL จากหน้าปัจจุบัน)
 pdfjs-bookmark-button-label = หน้าปัจจุบัน
-# Used in Firefox for Android.
-pdfjs-open-in-app-button =
-    .title = เปิดในแอป
-# Used in Firefox for Android.
-# Length of the translation matters since we are in a mobile context, with limited screen estate.
-pdfjs-open-in-app-button-label = เปิดในแอป
 
 ##  Secondary toolbar and context menu
 
@@ -296,8 +290,6 @@ pdfjs-editor-stamp-button-label = เพิ่มหรือแก้ไขภ
 pdfjs-editor-highlight-button =
     .title = เน้น
 pdfjs-editor-highlight-button-label = เน้น
-pdfjs-highlight-floating-button =
-    .title = เน้นสี
 pdfjs-highlight-floating-button1 =
     .title = เน้นสี
     .aria-label = เน้นสี
@@ -392,3 +384,60 @@ pdfjs-editor-colorpicker-red =
 pdfjs-editor-highlight-show-all-button-label = แสดงทั้งหมด
 pdfjs-editor-highlight-show-all-button =
     .title = แสดงทั้งหมด
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = แก้ไขข้อความทดแทน (คำอธิบายภาพ)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = เพิ่มข้อความทดแทน (คำอธิบายภาพ)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = เขียนคำอธิบายของคุณที่นี่…
+# This text refers to the alt text box above this description. It offers a definition of alt text.
+pdfjs-editor-new-alt-text-description = คำอธิบายสั้นๆ สำหรับผู้ที่ไม่สามารถมองเห็นภาพหรือเมื่อภาพไม่โหลด
+# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
+pdfjs-editor-new-alt-text-disclaimer1 = ข้อความทดแทนนี้ถูกสร้างขึ้นโดยอัตโนมัติและอาจไม่ถูกต้อง
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = เรียนรู้เพิ่มเติม
+pdfjs-editor-new-alt-text-create-automatically-button-label = สร้างข้อความทดแทนโดยอัตโนมัติ
+pdfjs-editor-new-alt-text-not-now-button = ไม่ใช่ตอนนี้
+pdfjs-editor-new-alt-text-error-title = ไม่สามารถสร้างข้อความทดแทนโดยอัตโนมัติได้
+pdfjs-editor-new-alt-text-error-description = กรุณาเขียนข้อความทดแทนด้วยตัวเองหรือลองใหม่อีกครั้งในภายหลัง
+pdfjs-editor-new-alt-text-error-close-button = ปิด
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = กำลังดาวน์โหลดโมเดล AI สำหรับข้อความทดแทน ({ $downloadedSize } จาก { $totalSize } MB)
+    .aria-valuetext = กำลังดาวน์โหลดโมเดล AI สำหรับข้อความทดแทน ({ $downloadedSize } จาก { $totalSize } MB)
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = เพิ่มข้อความทดแทนแล้ว
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = ขาดข้อความทดแทน
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = ตรวจสอบข้อความทดแทน
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = สร้างขึ้นโดยอัตโนมัติ: { $generatedAltText }
+
+## Image alt-text settings
+
+pdfjs-image-alt-text-settings-button =
+    .title = ตั้งค่าข้อความทดแทนภาพ
+pdfjs-image-alt-text-settings-button-label = ตั้งค่าข้อความทดแทนภาพ
+pdfjs-editor-alt-text-settings-dialog-label = ตั้งค่าข้อความทดแทนภาพ
+pdfjs-editor-alt-text-settings-automatic-title = การทดแทนด้วยข้อความอัตโนมัติ
+pdfjs-editor-alt-text-settings-create-model-button-label = สร้างข้อความทดแทนอัตโนมัติ
+pdfjs-editor-alt-text-settings-create-model-description = แนะนำคำอธิบายเพื่อช่วยเหลือผู้ที่ไม่สามารถมองเห็นภาพหรือเมื่อภาพไม่โหลด
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = โมเดล AI สำหรับข้อความทดแทน ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = ทำงานในเครื่องของคุณเพื่อให้ข้อมูลของคุณเป็นส่วนตัว จำเป็นสำหรับข้อความทดแทนอัตโนมัติ
+pdfjs-editor-alt-text-settings-delete-model-button = ลบ
+pdfjs-editor-alt-text-settings-download-model-button = ดาวน์โหลด
+pdfjs-editor-alt-text-settings-downloading-model-button = กำลังดาวน์โหลด…
+pdfjs-editor-alt-text-settings-editor-title = ตัวแก้ไขข้อความทดแทน
+pdfjs-editor-alt-text-settings-show-dialog-button-label = แสดงตัวแก้ไขข้อความทดแทนทันทีเมื่อเพิ่มภาพ
+pdfjs-editor-alt-text-settings-show-dialog-description = ช่วยให้คุณแน่ใจว่าภาพทั้งหมดของคุณมีข้อความทดแทน
+pdfjs-editor-alt-text-settings-close-button = ปิด
diff --git a/l10n/tr/viewer.ftl b/l10n/tr/viewer.ftl
index d73fa325483df..5d8c507608b8a 100644
--- a/l10n/tr/viewer.ftl
+++ b/l10n/tr/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Belge özellikleri…
 pdfjs-document-properties-file-name = Dosya adı:
 pdfjs-document-properties-file-size = Dosya boyutu:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bayt)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bayt)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bayt)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Anahtar kelimeler:
 pdfjs-document-properties-creation-date = Oluşturma tarihi:
 pdfjs-document-properties-modification-date = Değiştirme tarihi:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date } { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date } { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } işareti]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -406,8 +420,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Görme engelli kişilere gösterilecek veya resmin yüklenemediği durumlarda gösterilecek kısa açıklama.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Bu alt metin otomatik olarak oluşturulmuştur ve hatalı olabilir.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Bu alt metin otomatik olarak oluşturuldu.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Daha fazla bilgi alın
 pdfjs-editor-new-alt-text-create-automatically-button-label = Otomatik olarak alt metin oluştur
 pdfjs-editor-new-alt-text-not-now-button = Şimdi değil
diff --git a/l10n/uk/viewer.ftl b/l10n/uk/viewer.ftl
index d663e675c8d53..070381199680f 100644
--- a/l10n/uk/viewer.ftl
+++ b/l10n/uk/viewer.ftl
@@ -300,8 +300,6 @@ pdfjs-editor-stamp-button-label = Додати чи редагувати зоб
 pdfjs-editor-highlight-button =
     .title = Підсвітити
 pdfjs-editor-highlight-button-label = Підсвітити
-pdfjs-highlight-floating-button =
-    .title = Підсвітити
 pdfjs-highlight-floating-button1 =
     .title = Підсвітити
     .aria-label = Підсвітити
@@ -396,3 +394,36 @@ pdfjs-editor-colorpicker-red =
 pdfjs-editor-highlight-show-all-button-label = Показати все
 pdfjs-editor-highlight-show-all-button =
     .title = Показати все
+
+## New alt-text dialog
+## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
+
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = Редагувати альтернативний текст (опис зображення)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = Додати альтернативний текст (опис зображення)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Напишіть свій опис тут…
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Докладніше
+pdfjs-editor-new-alt-text-create-automatically-button-label = Автоматично створювати альтернативний текст
+pdfjs-editor-new-alt-text-not-now-button = Не зараз
+pdfjs-editor-new-alt-text-error-close-button = Закрити
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = Альтернативний текст додано
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Відсутній альтернативний текст
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Переглянути альтернативний текст
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Створено автоматично: { $generatedAltText }
+
+## Image alt-text settings
+
+pdfjs-image-alt-text-settings-button =
+    .title = Налаштування альтернативного тексту зображення
+pdfjs-image-alt-text-settings-button-label = Налаштування альтернативного тексту зображення
+pdfjs-editor-alt-text-settings-dialog-label = Налаштування альтернативного тексту зображення
+pdfjs-editor-alt-text-settings-automatic-title = Автоматичний альтернативний текст
+pdfjs-editor-alt-text-settings-create-model-button-label = Автоматично створювати альтернативний текст
diff --git a/l10n/vi/viewer.ftl b/l10n/vi/viewer.ftl
index 165b22152af74..98c1bb5b65b15 100644
--- a/l10n/vi/viewer.ftl
+++ b/l10n/vi/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Thuộc tính của tài liệu…
 pdfjs-document-properties-file-name = Tên tập tin:
 pdfjs-document-properties-file-size = Kích thước:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } byte)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Từ khóa:
 pdfjs-document-properties-creation-date = Ngày tạo:
 pdfjs-document-properties-modification-date = Ngày sửa đổi:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -267,6 +278,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } Chú thích]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -398,8 +412,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = Mô tả ngắn gọn dành cho người không xem được ảnh hoặc khi không thể tải ảnh.
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Văn bản thay thế này được tạo tự động và có thể không chính xác.
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = Văn bản thay thế này được tạo tự động.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Tìm hiểu thêm
 pdfjs-editor-new-alt-text-create-automatically-button-label = Tạo văn bản thay thế tự động
 pdfjs-editor-new-alt-text-not-now-button = Không phải bây giờ
diff --git a/l10n/zh-CN/viewer.ftl b/l10n/zh-CN/viewer.ftl
index fc3162cb54444..03798c1a25a99 100644
--- a/l10n/zh-CN/viewer.ftl
+++ b/l10n/zh-CN/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = 文档属性…
 pdfjs-document-properties-file-name = 文件名:
 pdfjs-document-properties-file-size = 文件大小:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB（{ $b } 字节）
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB（{ $b } 字节）
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } 字节)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = 关键词:
 pdfjs-document-properties-creation-date = 创建日期:
 pdfjs-document-properties-modification-date = 修改日期:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -267,6 +278,9 @@ pdfjs-annotation-date-string = { $date }，{ $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } 注释]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -398,8 +412,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = 向无法看到或加载图像的用户提供的简短描述。
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = 此段替换文字为自动创建，有可能不准确。
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = 此段替换文字为自动创建。
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = 详细了解
 pdfjs-editor-new-alt-text-create-automatically-button-label = 自动创建替换文字
 pdfjs-editor-new-alt-text-not-now-button = 暂时不要
diff --git a/l10n/zh-TW/viewer.ftl b/l10n/zh-TW/viewer.ftl
index 9bbc0e813d35f..20ff406c65f04 100644
--- a/l10n/zh-TW/viewer.ftl
+++ b/l10n/zh-TW/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = 文件內容…
 pdfjs-document-properties-file-name = 檔案名稱：
 pdfjs-document-properties-file-size = 檔案大小：
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB（{ $b } 位元組）
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB（{ $b } 位元組）
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB（{ $size_b } 位元組）
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = 關鍵字：
 pdfjs-document-properties-creation-date = 建立日期：
 pdfjs-document-properties-modification-date = 修改日期：
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date } { $time }
@@ -267,6 +278,9 @@ pdfjs-annotation-date-string = { $date } { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [{ $type } 註解]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -398,8 +412,6 @@ pdfjs-editor-new-alt-text-textarea =
 pdfjs-editor-new-alt-text-description = 為看不到圖片的讀者，或圖片無法載入時顯示的簡短描述。
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = 此替代文字是自動產生的，可能不夠精確。
-# This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
-pdfjs-editor-new-alt-text-disclaimer = 此替代文字是自動產生而成。
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = 更多資訊
 pdfjs-editor-new-alt-text-create-automatically-button-label = 自動產生替代文字
 pdfjs-editor-new-alt-text-not-now-button = 暫時不要