Caesium Image Compressor
Reduce image file sizes and resize pictures for web delivery.
What’s included for free?
Free open-source desktop image compression. Supported formats vary by version.
Where it runs: Local install
Provider information ↗Checked 2026-10-08
Before you use it
GPL-3.0; image ownership remains with the original rights holder.
Provider terms can change. Check current pricing and usage rights before starting a project.