MP4 to WEBM Converter

Convert MP4 files to WEBM in your browser. Choose your file, adjust available settings, then download the converted file.

Maximum 100 MB per file, up to 5 files at a time.

Make sure each file is complete and in the format you selected, or the conversion may fail.

300+ formats supported
Convert between 300+ file formats in your browser.

Fast and easy
Just drop your files on the page, choose an output format and click "Convert".

How to convert MP4 to WEBM

  1. Click the “Choose Files” button to select your files.
  2. Click on the “Convert” button to start the conversion
  3. When the status change to “Done” click the “Download” button

About MP4

MPEG-4 Part 14 · Video container

A common video container that usually holds H.264 or H.265 video and AAC audio.

Opens with: Phones, browsers, TVs, editors and social platforms.

Strengths: Very broad compatibility.

Limitations: Features depend on the audio and video codecs inside.

About WEBM

WebM · Video container

An open web video container commonly produced by browsers and screen recorders.

Opens with: Modern browsers and web tools.

Strengths: Good for browser playback.

Limitations: Some editors and mobile apps prefer MP4.

Why convert MP4 to WEBM?

A common video container that usually holds H.264 or H.265 video and AAC audio. An open web video container commonly produced by browsers and screen recorders.

Publish web video in supported browsers. Keep the original file until you have checked the result.

Frequently asked questions