Convert WebM to MP4 Online

Upload a WebM browser recording and select MP4 as the output. Converter processes the file online and gives you a broadly supported video for sharing.

Choose a file to convert

How to convert webm to mp4

  1. Upload a .webm file.
  2. Choose MP4 and start the conversion.
  3. Download the MP4 result.

Example

Upload browser-recording.webm and download browser-recording.mp4.

When to use this conversion

  • Reuse a browser-recorded WebM clip outside the browser.
  • Share an MP4 video with a teammate or upload it to a compatible platform.
  • Keep the original video while creating a distribution copy.

Best practices

  • Keep the original video; transcoding cannot improve source quality.
  • Check playback, audio sync, and duration in the converted file.
  • Large or long videos can take longer to process and may produce a larger file.