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Offline Translator

On-device translation of text and images
New in version 0.2.3
- Implement cropping for OCR images
- Implement 'share' for the translated image (@jheld)
- Add option to add spaces for Japanese kanji transliteration
- Fix external storage usage for Android 10
- Allow starring 'English'

Update Bulgarian, Czech, Dutch, Estonian, Finnish, French, German, Italian, Polish, Portuguese, Spanish (needs redownload)
A translator app that performs on-device translation of text and images without sending your data to external servers.

Features:
• On-device translation using Mozilla's translation models
• Transliteration of non-latin script
• OCR (Optical Character Recognition) for translating text in images
• Automatic language detection
• Image translation overlay that preserves original formatting
• Support for multiple language pairs
• No internet required for translation once models are downloaded
• All translation happens locally


Supports 43 languages:

- Albanian
- Arabic
- Azerbaijani
- Bengali
- Bulgarian
- Catalan
- Chinese
- Croatian
- Czech
- Danish
- Dutch
- English
- Estonian
- Finnish
- French
- German
- Greek
- Gujarati
- Hebrew
- Hindi
- Hungarian
- Icelandic
- Indonesian
- Italian
- Japanese
- Kannada
- Korean
- Latvian
- Lithuanian
- Malay
- Malayalam
- Persian
- Polish
- Portuguese
- Romanian
- Russian
- Slovak
- Slovenian
- Spanish
- Swedish
- Tamil
- Telugu
- Turkish
- Ukrainian
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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 0.2.3 (8) suggested Added on Oct 18, 2025

    arm64-v8a

    This version requires Android 9.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.davidv.translator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 18 MiB PGP Signature | Build Log

    • New in version 0.2.2
    - Implement favorites; sort favorite languages first
    - Implement API so other apps can request for translation (@dic1911)
    - Add setting to enable File picker for OCR
    - Make OCR only use 'from' language for detection (instead of all languages)
    - Implement Japanese Kanji transliteration (you'll need to re-download Japanese, sorry!)
  • Version 0.2.2 (7) - Added on Oct 04, 2025

    arm64-v8a

    This version requires Android 9.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.davidv.translator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 18 MiB PGP Signature | Build Log

    • New in version 0.2.1
    - Fix OCR from shared images sometimes not starting
    - Fix crash when downloads failed
    - Add button to transition from popup mode to full app
    - Add setting for default 'source' language
    - Improved translation performance & quality
    - Improved startup speed and translation responsiveness (UI interactions)
    - Improve OCR image overlay quality
    - Reduced memory usage for CJK and Russian models (needs redownload)
  • Version 0.2.1 (6) - Added on Oct 02, 2025

    arm64-v8a

    This version requires Android 9.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • dev.davidv.translator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 17 MiB PGP Signature | Build Log

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