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What options are there for playing WebM video files on Mac OS X other than VLC? A plugin to Quicktime Player would be perfect.

Daniel Beck
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2 Answers2

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Perian, a QuickTime plugin should support WebM since version 1.2.2 according to their website.

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slhck
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lupincho
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    I have Perian 1.2.3 and Quicktime Player 10.1 on OS X Lion fails to open `.webm` files with an error message. – Daniel Beck Feb 01 '12 at 13:18
  • Could be, I've never tried it. It may be that WebM is a mess of formats and containers as other formats before ir and Perian supports some but not all of them. – lupincho Feb 01 '12 at 13:25
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    Judging from the Wikipedia article, it seems rather well defined. Still, +1 because *someone* apparently got it working, otherwise it wouldn't be in Perian. – Daniel Beck Feb 01 '12 at 13:30
  • Works for me too, with Perian 1.2.3. Added evidence to the answer ;) @dan – slhck Feb 01 '12 at 13:45
  • The problem may be QuickTime X in Lion. [Possible Link](http://forums.cocoaforge.com/viewtopic.php?f=25&t=23700) – afrazier Feb 01 '12 at 16:20
  • @lupincho can you please take a look at this post? http://apple.stackexchange.com/questions/134990/what-is-the-easiest-way-to-play-webm-in-safari-perian-doesnt-work?stw=2 Perian didn't work for me :( – Mona Jalal Jun 14 '14 at 09:07
  • WebM's may be different. Perian allows QuickTime Player to open now obsolete **VP8** encoded WebM files, but it doesn't enable it to play modern **VP9** WebM's. – Neurotransmitter Jul 15 '15 at 19:21
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Not really much to choose from on macOS. While Perian is indeed VP8-capable, to play modern VP9 WebM's you may try minimalistic mpv player.

On the second thought, you may not need a dedicated video player for any WebM at all, just open the file with any recent version of Firefox, Chrome, Opera or Safari and watch the video.

Neurotransmitter
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