Completely private
A free & open-source video/image compression app for Mac, Windows & Linux. No signup, no cloud uploads, no tracking.
Industry-leading algorithms with a focus on privacy and simplicity.
Your videos never leave your device. All compression happens locally, ensuring complete privacy.
Powered by the latest FFmpeg. Compress videos within seconds.
Advanced algorithms maintain visual quality while dramatically reducing file size.
Drag & drop, copy-paste, or select files. No complicated settings required.
Support for all major formats including MP4, MOV, AVI, and more. Export to any format you need.
Fine-tune settings to balance file size and quality. Preview results before saving.
Beyond simple compression — a comprehensive video processing tool for power users and casual users alike.
Unlike online compression services, CompressO never uploads your files. No account required. No tracking. No data collection.
The code is available on GitHub. Audit it, contribute to it, or fork it for your own projects.