About the browser video compressor

A free tool for converting your own videos to MP4. Project maintainer: Chu. Updated: 23 October 2026.

No subscription, account or paid conversion service. The open-source engine runs on your device. This tool does not download videos from other sites or remove DRM.

Open-source engine

The FFmpeg engine is built from pinned sources under GPL-2.0-or-later. This package contains the corresponding source, dependencies, licences and instructions to rebuild the version used here.

Download the corresponding source · Version and SHA-256 · Licences and notices