Convert MP4 to WebM
Convert MP4 videos to WebM for web embedding. WebM is the open, royalty-free format preferred for HTML5 video. Runs in your browser.
Drop a video file here or click to browse
MP4, WebM, MOV, MKV, AVI
How it works
1
Drop your MP4 file
Click the drop zone or drag your file directly onto it.
2
Convert to WebM
Processing happens instantly in your browser using WebAssembly. No upload, no waiting.
3
Download your WebM
Your converted file downloads directly to your device.
Why Mutari?
- ✓ Your files never leave your browser. No server processing, ever
- ✓ Works offline once the page loads
- ✓ No account, no signup, completely free
- ✓ Powered by WebAssembly for fast, native-speed processing