MP4 to WEBM

Convert MP4 videos to WebM for websites and web apps. Free MP4 to WebM converter that runs in your browser, with no upload or sign-up needed.

FreeNo uploadNo sign-up

Video

How to use the MP4 to WEBM

  1. Choose a MP4 video from your device, or drop it on the box.
  2. Nothing to set: the best settings are picked for you.
  3. Press Convert to WEBM, preview the result and download it.

Private by design

The MP4 to WEBM runs entirely in your web browser. Nothing you open here is uploaded to a server, so it is safe to use with private files and keeps working if your connection drops after the page has loaded.

Frequently asked questions

Is the MP4 to WEBM free?

Yes. The MP4 to WEBM on Codegres.org is completely free, with no sign-up, no limits and no watermark.

Is my video uploaded anywhere?

No. The MP4 to WEBM runs entirely in your browser using JavaScript, so your video never leaves your device and is not stored or seen by anyone.

Does the MP4 to WEBM work on my phone?

Yes. It works in any modern browser on Android, iPhone, Windows, Mac and Linux, with nothing to install.

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