Join.me exports screen recordings in WebM format. I can play WebM files using VLC but I can't edit them. Searching for a solution brings up hundreds of spamware 'video converters'.

Is there a simple way to edit WebM video files on MacOS?

  • Do you want to edit or convert the file?
    – Allan
    Commented Apr 8, 2020 at 12:43
  • 1
    @Allan both. If I convert, I can edit easily in iMovie etc. Commented Apr 8, 2020 at 18:34

2 Answers 2


You can actually convert your WebM video directly in VLC:

  • Open the conversion screen with Shift-Cmd-S
  • Drag the WebM video into the screen
  • Select a target format your video editor supports
  • Click on "Save as file"

Afterwards open the generated file in the video editor of your choice.


I searched 'webm' on the Mac App Store and found this free app:

4Video Quick Video Converter https://apps.apple.com/gb/app/4video-quick-video-converter/id765334104?mt=12

And it worked.

The settings are tricky, you have to add the file, then click the small MPEG4 icon to the right to change the output settings.

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