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Convert a short video between MP4 and WebM

Convert a short video between MP4 and WebM in the browser — no upload required.
to

Conversion uses your browser's MediaRecorder API — quality and supported codecs vary by browser. Long videos are slow because they play through in real time.

About this tool

How to use it

  1. Use the controls above to set your inputs.
  2. The result updates as you type or interact.
  3. Copy or download when ready.

Why it lives here

Everything runs in your browser. No account, no ads, no tracking, and no upload.

Tagged with

video convertermp4webm everyone

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