diff --git a/ErrorHandler/StandardErrorHandler.php b/ErrorHandler/StandardErrorHandler.php
index 4713590..8e39781 100644
--- a/ErrorHandler/StandardErrorHandler.php
+++ b/ErrorHandler/StandardErrorHandler.php
@@ -12,22 +12,42 @@
 namespace Glavweb\UploaderBundle\ErrorHandler;
 
 use Glavweb\UploaderBundle\Response\Response;
+use Symfony\Contracts\Translation\TranslatableInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 /**
  * Class StandardErrorHandler
  *
  * @package Glavweb\UploaderBundle
- * @author Andrey Nilov <nilov@glavweb.ru>
+ * @author  Andrey Nilov <nilov@glavweb.ru>
  */
 class StandardErrorHandler implements ErrorHandlerInterface
 {
+    /**
+     * @var TranslatorInterface
+     */
+    private $translator;
+
+    /**
+     * StandardErrorHandler constructor.
+     */
+    public function __construct(TranslatorInterface $translator)
+    {
+        $this->translator = $translator;
+    }
+
     /**
      * @param Response   $response
      * @param \Exception $exception
      */
     public function addException(Response $response, \Exception $exception)
     {
-        $message = $exception->getMessage();
+        if ($exception instanceof TranslatableInterface) {
+            $message = $exception->trans($this->translator);
+        } else {
+            $message = $exception->getMessage();
+        }
+
         $response['error'] = $message;
     }
 }
diff --git a/EventListener/AllowedMimetypeValidationListener.php b/EventListener/AllowedMimetypeValidationListener.php
index 367fb5a..d278a1a 100644
--- a/EventListener/AllowedMimetypeValidationListener.php
+++ b/EventListener/AllowedMimetypeValidationListener.php
@@ -37,7 +37,7 @@ public function onValidate(ValidationEvent $event)
         $mimeType = $file->getMimeType();
 
         if (!in_array($mimeType, $config['allowed_mimetypes'])) {
-            throw new ValidationException('error.whitelist');
+            throw new ValidationException('error.invalid_type');
         }
     }
 }
diff --git a/EventListener/DisallowedMimetypeValidationListener.php b/EventListener/DisallowedMimetypeValidationListener.php
index 26253ec..f41f9e9 100644
--- a/EventListener/DisallowedMimetypeValidationListener.php
+++ b/EventListener/DisallowedMimetypeValidationListener.php
@@ -37,7 +37,7 @@ public function onValidate(ValidationEvent $event)
         $mimeType = $file->getExtension();
 
         if (in_array($mimeType, $config['disallowed_mimetypes'])) {
-            throw new ValidationException('error.blacklist');
+            throw new ValidationException('error.invalid_type');
         }
     }
 }
diff --git a/EventListener/MaxSizeValidationListener.php b/EventListener/MaxSizeValidationListener.php
index 8b5f97e..baca1fa 100644
--- a/EventListener/MaxSizeValidationListener.php
+++ b/EventListener/MaxSizeValidationListener.php
@@ -30,8 +30,11 @@ public function onValidate(ValidationEvent $event)
         $config = $event->getConfig();
         $file   = $event->getFile();
 
-        if ($file->getSize() > $config['max_size']*(1024*1024)) {
-            throw new ValidationException('error.maxsize');
+        if ($file->getSize() > $config['max_size'] * (1024 * 1024)) {
+            $fileSizeInMegaBytes = round($file->getSize() / (1024 * 1024));
+            throw new ValidationException(
+                'error.maxsize', ['filesize' => $fileSizeInMegaBytes, 'maxFilesize' => $config['max_size']]
+            );
         }
     }
 }
diff --git a/Exception/ValidationException.php b/Exception/ValidationException.php
index 542e425..de2e44c 100644
--- a/Exception/ValidationException.php
+++ b/Exception/ValidationException.php
@@ -12,6 +12,9 @@
 namespace Glavweb\UploaderBundle\Exception;
 
 use Symfony\Component\HttpFoundation\File\Exception\UploadException;
+use Symfony\Contracts\Translation\TranslatableInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
+use Throwable;
 
 /**
  * Class ValidationException
@@ -19,13 +22,34 @@
  * @package Glavweb\UploaderBundle
  * @author Andrey Nilov <nilov@glavweb.ru>
  */
-class ValidationException extends UploadException
+class ValidationException extends UploadException implements TranslatableInterface
 {
+    /**
+     * @var array
+     */
+    protected $details;
+
     /**
      * @var string
      */
     protected $errorMessage;
 
+    /**
+     * ValidationException constructor.
+     *
+     * @param string         $message
+     * @param array          $details
+     * @param int            $code
+     * @param Throwable|null $previous
+     */
+    public function __construct($message = "", $details = [], $code = 0, Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+
+        $this->details = $details;
+    }
+
+
     /**
      * @param string $message
      * @return $this
@@ -49,4 +73,9 @@ public function getErrorMessage()
 
         return $this->errorMessage;
     }
+
+    public function trans(TranslatorInterface $translator, string $locale = null): string
+    {
+        return $translator->trans($this->getMessage(), $this->details, null, $locale);
+    }
 }
diff --git a/Resources/config/services.xml b/Resources/config/services.xml
index 73ad48f..b673681 100644
--- a/Resources/config/services.xml
+++ b/Resources/config/services.xml
@@ -12,7 +12,9 @@
     </parameters>
 
     <services>
-        <service id="glavweb_uploader.error_handler.standard" class="Glavweb\UploaderBundle\ErrorHandler\StandardErrorHandler" public="true"/>
+        <service id="glavweb_uploader.error_handler.standard" class="Glavweb\UploaderBundle\ErrorHandler\StandardErrorHandler" public="true">
+            <argument type="service" id="translator" />
+        </service>
 
         <service id="glavweb_uploader.uploader_manager" class="Glavweb\UploaderBundle\Manager\UploaderManager" public="true">
             <argument>%glavweb_uploader.config%</argument>
diff --git a/Resources/translations/messages+intl-icu.en.yml b/Resources/translations/messages+intl-icu.en.yml
new file mode 100644
index 0000000..50f4451
--- /dev/null
+++ b/Resources/translations/messages+intl-icu.en.yml
@@ -0,0 +1,3 @@
+error:
+    invalid_type: You can't upload files of this type
+    maxsize: 'File is too big ({filesize} MB). Max filesize: {maxFilesize} MB'
\ No newline at end of file
diff --git a/Resources/translations/messages+intl-icu.ru.yml b/Resources/translations/messages+intl-icu.ru.yml
new file mode 100644
index 0000000..c6a16bc
--- /dev/null
+++ b/Resources/translations/messages+intl-icu.ru.yml
@@ -0,0 +1,3 @@
+error:
+    invalid_type: Неверный формат файла
+    maxsize: Файл слишком большой ({filesize} MB). Максимальный допустимый размер файла {maxFilesize} MB
\ No newline at end of file
diff --git a/Resources/translations/messages.en.yml b/Resources/translations/messages.en.yml
deleted file mode 100644
index e69de29..0000000
diff --git a/Resources/translations/messages.ru.yml b/Resources/translations/messages.ru.yml
deleted file mode 100644
index e69de29..0000000
diff --git a/composer.json b/composer.json
index 7afda43..57c17be 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,8 @@
         "symfony/form": "^2.7|^3.0|^4.0|^5.0",
         "twig/twig": "^2.12.1|^3.0",
         "symfony/filesystem": "^2.7|^3.0|^4.0|^5.0",
-        "symfony/finder": "^2.7|^3.0|^4.0|^5.0"
+        "symfony/finder": "^2.7|^3.0|^4.0|^5.0",
+        "symfony/translation": "^2.7|^3.0|^4.0|^5.0"
     },
     "suggest": {
         "oneup/flysystem-bundle": "Required for flysystem storage"