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LoloTrans

Floating-bubble translator with configurable translation backend
LoloTrans is an Android translator with a freely movable floating bubble.

After actively tapping the bubble, the app reads copied text from the clipboard, auto-detects the source language and shows the translation in a movable overlay.

The F-Droid variant uses a LibreTranslate-compatible provider. No Google ML Kit, no Google Play Services and no Firebase are included. The LibreTranslate server URL is user-configurable. No API keys are hardcoded or required.

The app does not monitor the clipboard continuously. Clipboard text is read only after an explicit user tap on the bubble.

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 2.1 (12) suggested Added on Jun 03, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, 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.
    • show notifications
      Allows the app to show notifications
    • This app can appear on top of other apps
      This app can appear on top of other apps or other parts of the screen. This may interfere with normal app usage and change the way that other apps appear.
    • de.lolo.lolotrans.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 9.0 MiB PGP Signature | Build Log

  • Version 2.0 (11) - Added on May 28, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, 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.
    • show notifications
      Allows the app to show notifications
    • This app can appear on top of other apps
      This app can appear on top of other apps or other parts of the screen. This may interfere with normal app usage and change the way that other apps appear.
    • de.lolo.lolotrans.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.5 MiB PGP Signature | Build Log