Photography · Open source
Image Compressor
ahxxm
Compress JPEG/PNG images using mozjpeg or jpegli offline
Download
Opens the official F-Droid page
About Image Compressor
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.
How to install Image Compressor
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open Image Compressor from your app drawer.
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