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JAEN

.webm

Low risk

WebM Video

A Google-led web video container built around VP8/VP9/AV1. Natively supported by HTML5 `<video>` in the major browsers.

MIME types

  • video/webm

Category

video

What opens this file

  • Any browser
  • VLC
  • mpv
  • FFmpeg

How to open by OS

Windows

  • Browsers and VLC.

Mac

  • Safari 14.1+, VLC, mpv, IINA.

Linux

  • VLC, mpv.

Ios

  • Safari 14.1+, VLC.

Android

  • Chrome and VLC.

Safety notes

  • WebM itself is low-risk but its decoders see regular CVEs. Keep browsers and players patched.

Common mistakes

  • QuickTime on macOS does not play WebM. Keep a matching MP4 (H.264) for Apple-centric audiences.
  • VP9 and AV1 are CPU-hungry on mobile; watch battery and thermal impact when autoplaying.

Related extensions

References