WebM to MP4 converter

Make a WebM video play on iPhone, Mac, Windows and in the apps that reject it.

Drop your WebM file here

or

Up to 2 GB.

Runs entirely in your browser. Your file is never uploaded.

How to use the WebM to MP4 converter

  1. Choose your WebM file, or drop it on the box.
  2. Pick Best quality or Smaller file, then press Convert.
  3. Preview the MP4 and download it.

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FAQ

Why convert WebM to MP4?

Many phones, editors and social sites don't accept WebM. MP4 with H.264 plays almost everywhere.

Is it free and private?

Yes. Converting WebM to MP4 here is free, with no sign-up and no watermark. The conversion runs on your own device, so your file never leaves it.

Will I lose quality?

The video is re-encoded to H.264. Best quality keeps it visually the same; Smaller file gives up a little detail for a smaller download.

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