diff --git a/lib/guest.ts b/lib/guest.ts
new file mode 100644
index 0000000..0216774
--- /dev/null
+++ b/lib/guest.ts
@@ -0,0 +1,18 @@
+import { getBuilder } from '@nextcloud/browser-storage'
+
+const browserStorage = getBuilder('public').persist().build()
+
+/**
+ * Get the guest nickname for public shares
+ */
+export function getGuestNickname(): string | null {
+	return browserStorage.getItem('guestNickname')
+}
+
+/**
+ * Set the guest nickname for public shares
+ * @param nickname The nickname to set
+ */
+export function setGuestNickname(nickname: string): void {
+	browserStorage.setItem('guestNickname', nickname)
+}
diff --git a/lib/index.ts b/lib/index.ts
index da95021..9a6d2bb 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -7,3 +7,4 @@ export type { NextcloudUser } from './user'
 
 export { getRequestToken, onRequestTokenUpdate } from './requesttoken'
 export { getCurrentUser } from './user'
+export { getGuestNickname, setGuestNickname } from './guest'
diff --git a/package-lock.json b/package-lock.json
index 02ac332..0cf87b9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
       "version": "2.3.0",
       "license": "GPL-3.0-or-later",
       "dependencies": {
+        "@nextcloud/browser-storage": "^0.4.0",
         "@nextcloud/event-bus": "^3.3.1"
       },
       "devDependencies": {
@@ -1220,6 +1221,18 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/@nextcloud/browser-storage": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/@nextcloud/browser-storage/-/browser-storage-0.4.0.tgz",
+      "integrity": "sha512-D6XxznxCYmJ3oBCC3p0JB6GZJ2RZ9dgbB1UqtTePXrIvHUMBAeF/YkiGKYxLAVZCZb+NSNZXgAYHm/3LnIUbDg==",
+      "dependencies": {
+        "core-js": "3.37.0"
+      },
+      "engines": {
+        "node": "^20.0.0",
+        "npm": "^10.0.0"
+      }
+    },
     "node_modules/@nextcloud/eslint-config": {
       "version": "8.4.1",
       "resolved": "https://registry.npmjs.org/@nextcloud/eslint-config/-/eslint-config-8.4.1.tgz",
@@ -3016,6 +3029,16 @@
       "dev": true,
       "peer": true
     },
+    "node_modules/core-js": {
+      "version": "3.37.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.37.0.tgz",
+      "integrity": "sha512-fu5vHevQ8ZG4og+LXug8ulUtVxjOcEYvifJr7L5Bfq9GOztVqsKd9/59hUk2ZSbCrS3BqUr3EpaYGIYzq7g3Ug==",
+      "hasInstallScript": true,
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/core-js"
+      }
+    },
     "node_modules/core-js-compat": {
       "version": "3.37.0",
       "resolved": "https://registry.npmjs.org/core-js-compat/-/core-js-compat-3.37.0.tgz",
diff --git a/package.json b/package.json
index 951fa79..3a23f30 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,7 @@
     "url": "https://github.com/nextcloud/nextcloud-auth"
   },
   "dependencies": {
+    "@nextcloud/browser-storage": "^0.4.0",
     "@nextcloud/event-bus": "^3.3.1"
   },
   "devDependencies": {