Compress MP4
Shrink the size of your MP4 files for free, right in your browser. No upload, no sign-up, no watermark — your files never leave your device.
Drop MP4 files here
or click to choose
Quality
Smaller MP4, privately
Everything runs on your device — your MP4 files are never uploaded to a server.
How to compress MP4
Add your MP4
Drop your MP4 file in — nothing is uploaded, it all stays on your device.
Pick a level
Choose how hard to compress, balancing file size against quality.
Download
Download the smaller MP4 file, ready to share.
Why compress MP4 here
100% private
Your MP4 files are compressed in the browser and never uploaded anywhere.
You control the size
Trade quality against file size with one simple control.
Free, no watermark
No accounts, no limits and never a watermark on the result.
Works everywhere
Runs in any modern browser on desktop or mobile — nothing to install.