alternative to TinyPNG

Caesium

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About

Caesium is an image compression software that helps you store, send and share digital pictures, supporting JPG, PNG, WebP and TIFF formats. You can quickly reduce the file size (and resolution, if you want) by preserving the overall quality of the image.

C++Media convertersGPL-3.0

Owner: Matteo Paonessa person
Stars: 6.4k
Forks: 368
Latest: v2.8.5
Last push: 2026-10-05
Terms: Open source
Created: 2016, 10 years ago
Release cadence: about 35 days between releases
Active contributors: 2 commit authors on the default branch in the last 90 days
Platforms: macOS, Windows

Read from GitHub on 2026-10-06.Entry last edited on 2026-10-06.

Compare Caesium and Squoosh →

#caesium#compression#cross-platform#image-compression#libcaesium#linux#macos#windows

github.com/Lymphatus/caesium-image-compressor ↗Website ↗Edit this entry Changes to Caesium (RSS)

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