Quick answer
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.
Screenshots
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
- Every file is checked against its published SHA-256 before it is listed.
- Files are scanned for malware on every update.
- The permissions each app requests are listed on its own page.
- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is Image Compressor?
Compress JPEG/PNG images using mozjpeg or jpegli offline
Who develops Image Compressor?
Image Compressor is developed by ahxxm.
Which Android version does Image Compressor require?
Image Compressor requires Android API 30 or later.
What is the current version of Image Compressor?
The synchronized F-Droid version is 7.0.
Which license does Image Compressor use?
The signed F-Droid metadata lists MIT.
Where is the source code for Image Compressor?
https://git.sr.ht/~ahxxm/ic
Comments
Recent approved comments · sorted by newest
View all comments