Convert WebM to MP4

WebM is great for the web, but many devices, especially iPhones and older Android phones, cannot play it. Convert WebM to the universally supported MP4 format in your browser with no uploads, completely free.
Convert in FastEdit

How to finish the conversion

  1. 01

    Open FastEdit

    Go to app.fastedit.net. Works in Chrome, Firefox, Safari, and Edge.

  2. 02

    Import your WebM

    Drag and drop your .webm video file.

  3. 03

    Select MP4

    Choose MP4 from the output format dropdown.

  4. 04

    Configure

    Optionally trim, resize, or adjust quality. Default H.264 encoding works for most use cases.

  5. 05

    Export

    Download your MP4. All encoding runs in WebAssembly on your device.

Benefits

Switch formats in the browser, then download the version that actually fits.

Convert in FastEdit

FAQ

Bring the file.
Leave with the fix.

Open the editor, drop in the image, PDF, GIF, or video that is holding things up, and export a cleaner version. No signup, no upload, no watermark.

Open the editor
Free to use Runs in your browser No account needed