Compress video
Compress and convert MP4, WebM and MOV in your browser. Powered by ffmpeg — nothing is uploaded.
Drop files here or click to browseAdd an MP4, WebM or MOV video
How to compress video
- 01Add your videoSelect or drag an MP4, WebM or MOV file into the box.
- 02Set the level and formatChoose the compression strength and the output format.
- 03DownloadSave the smaller video. All processing happens locally in your browser.
FAQ
Are my files uploaded?
No. Compression runs in your browser via ffmpeg.wasm. Your video never leaves your device.
Why does the first run take a moment?
The ffmpeg engine (about 30 MB) loads once on first use, then stays cached for the session.
Which formats are supported?
Input and output cover the common web formats: MP4 (H.264), WebM and MOV.
Is it free?
Yes. No signup, no limits, no watermark.