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Image Compressor

Compress JPEG/PNG images using mozjpeg or jpegli offline
A minimalist and optinionated Android app for offline/on-device JPEG/PNG compression.

Features:
- Browse and select image folders
- 3 built-in quality levels for MozJPEG and Jpegli
- "Smart" filter to skip well-compressed images
- Preview estimated savings before applying compression

Options:
- EXIF metadata preservation
- PNG to JPEG conversion

Encoders:
- mozjpeg: Mozilla's optimized JPEG encoder
- jpegli: Google's high-quality JPEG encoder from libjxl

This app requires no internet access and processes all images locally on your device.
  • 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 4.0 (44) suggested Added on Mar 04, 2026

    x86_64

    This version requires Android 11 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 "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read image files from shared storage
      Allows the app to read image files from your shared storage.
    • io.ahxxm.ic.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 8.9 MiB PGP Signature | Build Log

  • Version 4.0 (43) - Added on Mar 04, 2026

    x86

    This version requires Android 11 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 "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read image files from shared storage
      Allows the app to read image files from your shared storage.
    • io.ahxxm.ic.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 8.2 MiB PGP Signature | Build Log

  • Version 4.0 (42) - Added on Mar 04, 2026

    arm64-v8a

    This version requires Android 11 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 "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read image files from shared storage
      Allows the app to read image files from your shared storage.
    • io.ahxxm.ic.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.4 MiB PGP Signature | Build Log

  • Version 4.0 (41) - Added on Mar 04, 2026

    armeabi-v7a

    This version requires Android 11 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 "dataSync"
      Allows the app to make use of foreground services with the type "dataSync"
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • read image files from shared storage
      Allows the app to read image files from your shared storage.
    • io.ahxxm.ic.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 5.9 MiB PGP Signature | Build Log

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