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Cutwisp
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Convert video to MP4

Turn MOV, MKV or WebM into an MP4 file. Far more devices and programs play MP4.

How it works

  1. Open your video file.
  2. Choose "For all devices" or "Repack only". Use the yellow handles if you only want part of it.
  3. Click "Convert to MP4". The MP4 file is saved.

Questions and answers

What is the difference between the two options?

"Repack only" copies picture and sound unchanged into an MP4 file. That is fast and keeps the quality. "For all devices" re-encodes picture and sound to H.264 and AAC if they are in another format. That takes longer, but the result plays on more devices.

What happens to subtitles and extra audio tracks?

Cutwisp keeps the main video track and the main audio track. Subtitles and extra audio tracks are left out.

Does AVI or WMV work?

No, browsers can't read these older formats. MP4, MOV, MKV and WebM work.

Is my file uploaded?

No. Cutwisp processes the file inside your browser. It is never sent to a server.

Does it cost anything? Is there a watermark?

Cutwisp is free, and it doesn't add a watermark.

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