Convert WEBM to MP4, free
The conversion happens in your browser, so your file never leaves your device. No sign-up, no watermark, no limit.
Re-encodes to H.264, which plays everywhere.
The first time, your browser downloads the video engine (about 30 MB). After that it's cached.
Drop a .webm file here
Or choose a file from your device.
How to convert WEBM to MP4
- Drop your .webm file in the box above, or choose it from your device.
- Your browser converts it straight away. Nothing is uploaded.
- Click Download to save the .mp4 file.