Video Compressor

Reduce the size of a video for sharing. The work happens on your device, so large files stay private.

Drop files here

or choose files

Output format Quality factor (lower is better quality, larger file): 30 Maximum height

Your files never leave your browser. Nothing is uploaded.

The video engine is FFmpeg, free software under the GPL. Source code and license: Licenses and source code

Video processing runs in your browser using FFmpeg (ffmpeg.wasm core 0.12.10), which this page loads from jsDelivr (cdn.jsdelivr.net). FFmpeg in this build is licensed under the GNU General Public License, version 2 or later (GPL-2.0-or-later), and includes x264 and other libraries. Source code and build recipe for this build: https://github.com/ffmpegwasm/ffmpeg.wasm/tree/71aa99d37c02a7b4c435275ca9ef50e612f6efa1 (FFmpeg n5.1.4, build scripts in Dockerfile and build/). License texts: GNU GPL version 2 and GNU GPL version 3 (copies: GPL-2.0, GPL-3.0). Full details: /en/licenses/#ffmpeg. FFmpeg is a trademark of Fabrice Bellard; this site is not affiliated with or endorsed by the FFmpeg project.

How to use

Add your video.
Choose the quality and size.
Press Start and download the result.

Frequently asked questions

Is my video uploaded?

No. It is processed in your browser.

Why is it slow?

Video encoding is heavy work, and a browser is slower than a desktop app. Keep the tab open.

What is the size limit?

Files up to 2 GB, depending on your device memory.