MP4 Converter
Feed it MOV, WEBM, MKV, or more and get back an MP4 with H.264 video and AAC audio.
Drop a video file here
Everything happens on your device — your files are never uploaded.
file.mov
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Converting…
Done
How it works
- 1 Drop your MOV, WEBM, MKV, or other video file.
- 2 Hit Convert to MP4 and watch the progress bar encode.
- 3 Download your MP4. It never leaves your browser.
Built with open source
- Mediabunny — Converts and edits video and audio in the browser via WebCodecs. Add-on encoders cover MP3, AAC, and FLAC. · MPL-2.0
Frequently asked
Why convert to MP4? +
MP4 with H.264 video is the most widely compatible video format around. It plays on nearly every phone, TV, browser, and editor without extra codecs.
Is my video uploaded anywhere? +
No. The conversion happens in your browser with WebCodecs. Your video never leaves your device, and there's no watermark.
What can I convert from? +
Drop almost any common video like MOV, WEBM, or MKV and get back a standard H.264 MP4, ready to share or upload anywhere.