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Reduce a screen recording: WebM to a lighter MP4

Screen recordings made in the browser usually come out as WebM and get big. Compress the file and download it as MP4 to send, attach or keep with less space.

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WEBM

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How to do it, step by step

  1. Select the recording in WebM.
  2. Choose the compression level (Balanced usually keeps the text legible).
  3. Compress and check the result in the player.
  4. Download the MP4.

See where to click, with an image of the tool →

When this is useful

Tutorials and demos

Send the recording by email or chat without blowing the limit.

Bug records and support

Send the screen video to whoever will fix the problem.

Tips for a good result

  • Keep the original resolution if the recording shows small text.
  • WebFaz Screen Recorder also downloads the recording directly as MP4; use the compressor when the file still needs to get smaller.

What this tool does not do

  • Small text may lose sharpness at low compression levels.
  • WebM recordings made by other tools, which do not write the duration into the file, may not be read; those from WebFaz Screen Recorder come out right.
  • The compression has quality losses.
  • The new file carries the “WebFaz.com” credit in the metadata (comment and artist).

Frequently asked questions

Why does a screen recording get big?
Recordings usually have high resolution and little compression to keep the text legible.
Can I keep it as WebM?
Yes, the WebM output format is available.

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Text written by Marcelo Amantino · updated October 18, 2026 · who we are