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Flashbyte

A fast cross-platform file sharing app.
Send and receive files directly between your devices, phone, laptop, or desktop, with no internet required, no accounts, and no cloud uploads.
No sign-ups, no file size limits, no third parties involved. Everything stays on your local network.

• Direct device-to-device transfers over your local network
• No internet connection required
• Transfer files over raw TCP (with TLS) for minimum overhead
• No accounts, no sign-ups, no tracking
• All file types supported
• Cross-platform: Android, Linux, macOS, Windows, iOS
• Full encryption support
• Open source under MIT license
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot

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 2.1.1 (33) suggested Added on Sep 11, 2026

    x86_64

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • android.permission.BROADCAST_CLOSE_SYSTEM_DIALOGS
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • 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
    • android.permission.READ_APP_BADGE
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • request install packages
      Allows an application to request installation of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.anddoes.launcher.permission.UPDATE_COUNT
    • com.flashbyte.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • com.htc.launcher.permission.READ_SETTINGS
    • com.htc.launcher.permission.UPDATE_SHORTCUT
    • com.huawei.android.launcher.permission.CHANGE_BADGE
    • com.huawei.android.launcher.permission.READ_SETTINGS
    • com.huawei.android.launcher.permission.WRITE_SETTINGS
    • com.majeur.launcher.permission.UPDATE_BADGE
    • com.oppo.launcher.permission.READ_SETTINGS
    • com.oppo.launcher.permission.WRITE_SETTINGS
    • com.sec.android.provider.badge.permission.READ
    • com.sec.android.provider.badge.permission.WRITE
    • com.sonyericsson.home.permission.BROADCAST_BADGE
    • com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
    • me.everything.badger.permission.BADGE_COUNT_READ
    • me.everything.badger.permission.BADGE_COUNT_WRITE
    • oppo.permission.OPPO_COMPONENT_SAFE

    Download APK 22 MiB PGP Signature | Build Log

  • Version 2.1.1 (32) - Added on Sep 11, 2026

    arm64-v8a

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • android.permission.BROADCAST_CLOSE_SYSTEM_DIALOGS
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • 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
    • android.permission.READ_APP_BADGE
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • request install packages
      Allows an application to request installation of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.anddoes.launcher.permission.UPDATE_COUNT
    • com.flashbyte.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • com.htc.launcher.permission.READ_SETTINGS
    • com.htc.launcher.permission.UPDATE_SHORTCUT
    • com.huawei.android.launcher.permission.CHANGE_BADGE
    • com.huawei.android.launcher.permission.READ_SETTINGS
    • com.huawei.android.launcher.permission.WRITE_SETTINGS
    • com.majeur.launcher.permission.UPDATE_BADGE
    • com.oppo.launcher.permission.READ_SETTINGS
    • com.oppo.launcher.permission.WRITE_SETTINGS
    • com.sec.android.provider.badge.permission.READ
    • com.sec.android.provider.badge.permission.WRITE
    • com.sonyericsson.home.permission.BROADCAST_BADGE
    • com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
    • me.everything.badger.permission.BADGE_COUNT_READ
    • me.everything.badger.permission.BADGE_COUNT_WRITE
    • oppo.permission.OPPO_COMPONENT_SAFE

    Download APK 21 MiB PGP Signature | Build Log

  • Version 2.1.1 (31) - Added on Sep 11, 2026

    armeabi-v7a

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • android.permission.BROADCAST_CLOSE_SYSTEM_DIALOGS
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • 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
    • android.permission.READ_APP_BADGE
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • request install packages
      Allows an application to request installation of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.anddoes.launcher.permission.UPDATE_COUNT
    • com.flashbyte.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • com.htc.launcher.permission.READ_SETTINGS
    • com.htc.launcher.permission.UPDATE_SHORTCUT
    • com.huawei.android.launcher.permission.CHANGE_BADGE
    • com.huawei.android.launcher.permission.READ_SETTINGS
    • com.huawei.android.launcher.permission.WRITE_SETTINGS
    • com.majeur.launcher.permission.UPDATE_BADGE
    • com.oppo.launcher.permission.READ_SETTINGS
    • com.oppo.launcher.permission.WRITE_SETTINGS
    • com.sec.android.provider.badge.permission.READ
    • com.sec.android.provider.badge.permission.WRITE
    • com.sonyericsson.home.permission.BROADCAST_BADGE
    • com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
    • me.everything.badger.permission.BADGE_COUNT_READ
    • me.everything.badger.permission.BADGE_COUNT_WRITE
    • oppo.permission.OPPO_COMPONENT_SAFE

    Download APK 19 MiB PGP Signature | Build Log

  • Version 2.1.0 (23) - Added on Sep 05, 2026

    x86_64

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • android.permission.BROADCAST_CLOSE_SYSTEM_DIALOGS
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • 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
    • android.permission.READ_APP_BADGE
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • request install packages
      Allows an application to request installation of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.anddoes.launcher.permission.UPDATE_COUNT
    • com.flashbyte.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • com.htc.launcher.permission.READ_SETTINGS
    • com.htc.launcher.permission.UPDATE_SHORTCUT
    • com.huawei.android.launcher.permission.CHANGE_BADGE
    • com.huawei.android.launcher.permission.READ_SETTINGS
    • com.huawei.android.launcher.permission.WRITE_SETTINGS
    • com.majeur.launcher.permission.UPDATE_BADGE
    • com.oppo.launcher.permission.READ_SETTINGS
    • com.oppo.launcher.permission.WRITE_SETTINGS
    • com.sec.android.provider.badge.permission.READ
    • com.sec.android.provider.badge.permission.WRITE
    • com.sonyericsson.home.permission.BROADCAST_BADGE
    • com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
    • me.everything.badger.permission.BADGE_COUNT_READ
    • me.everything.badger.permission.BADGE_COUNT_WRITE
    • oppo.permission.OPPO_COMPONENT_SAFE

    Download APK 22 MiB PGP Signature | Build Log

  • Version 2.1.0 (22) - Added on Sep 05, 2026

    arm64-v8a

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • android.permission.BROADCAST_CLOSE_SYSTEM_DIALOGS
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • 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
    • android.permission.READ_APP_BADGE
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • request install packages
      Allows an application to request installation of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.anddoes.launcher.permission.UPDATE_COUNT
    • com.flashbyte.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • com.htc.launcher.permission.READ_SETTINGS
    • com.htc.launcher.permission.UPDATE_SHORTCUT
    • com.huawei.android.launcher.permission.CHANGE_BADGE
    • com.huawei.android.launcher.permission.READ_SETTINGS
    • com.huawei.android.launcher.permission.WRITE_SETTINGS
    • com.majeur.launcher.permission.UPDATE_BADGE
    • com.oppo.launcher.permission.READ_SETTINGS
    • com.oppo.launcher.permission.WRITE_SETTINGS
    • com.sec.android.provider.badge.permission.READ
    • com.sec.android.provider.badge.permission.WRITE
    • com.sonyericsson.home.permission.BROADCAST_BADGE
    • com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
    • me.everything.badger.permission.BADGE_COUNT_READ
    • me.everything.badger.permission.BADGE_COUNT_WRITE
    • oppo.permission.OPPO_COMPONENT_SAFE

    Download APK 21 MiB PGP Signature | Build Log

  • Version 2.1.0 (21) - Added on Sep 05, 2026

    armeabi-v7a

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • android.permission.BROADCAST_CLOSE_SYSTEM_DIALOGS
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • 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
    • android.permission.READ_APP_BADGE
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • request install packages
      Allows an application to request installation of packages.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.anddoes.launcher.permission.UPDATE_COUNT
    • com.flashbyte.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • com.htc.launcher.permission.READ_SETTINGS
    • com.htc.launcher.permission.UPDATE_SHORTCUT
    • com.huawei.android.launcher.permission.CHANGE_BADGE
    • com.huawei.android.launcher.permission.READ_SETTINGS
    • com.huawei.android.launcher.permission.WRITE_SETTINGS
    • com.majeur.launcher.permission.UPDATE_BADGE
    • com.oppo.launcher.permission.READ_SETTINGS
    • com.oppo.launcher.permission.WRITE_SETTINGS
    • com.sec.android.provider.badge.permission.READ
    • com.sec.android.provider.badge.permission.WRITE
    • com.sonyericsson.home.permission.BROADCAST_BADGE
    • com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
    • me.everything.badger.permission.BADGE_COUNT_READ
    • me.everything.badger.permission.BADGE_COUNT_WRITE
    • oppo.permission.OPPO_COMPONENT_SAFE

    Download APK 19 MiB PGP Signature | Build Log

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