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Matroska WebM video
File type: Internet related file, Digital video and movie file
Files with webm extension are video files in Matroska WebM format. WebM file format is designed specially for web based on standard HTML5. Video streaming are compressed by VP8/VP9 video codec and audio streaming are compressed by OGG Vorbis audio cod
File type category:
Internet related file
Digital video and movie file
Date updated: July 13, 2025
File extension webm is associated with WebM video format, a new open standard format for compressed video content, designed specially for web based on HTML5.
WebM video format is supported by new versions of popular web browsers such as Firefox, Opera, Google Chrome, Safari. Internet Explorer is able to playback WebM videos with Google Chrome Frame plugin.
WebM is multimedia container file format based on the Matroska container.
WebM video streams are compressed with the VP8 video codec developed by ON2, which was recently acquired by Google, who then went on to make VP8 an open and free technology.
VP8 was considered to be one of the few standards that can keep up with the modern MPEG4 compression standards both in quality and filesize. The current version of codec is VP9.
WebM audio streams are compressed with the Vorbis audio codec a free open source software for lossy audio-compression, and therefore an alternative to MP3.
The WebM multimedia format is designed for Web video streaming. WebM streaming is supported by variety of web browsers (Chrome, Opera, Firefox, Safari).
The WebM video files are also playable in the popular multimedia players such as VLC Media Player, MPlayer, Winamp.
Use any video converter such as Miro Video Converter, Arista Transcoder, XMedia Recode etc. to convert WebM video files to any other video file formats.
Programs for viewing webm files:
Microsoft Windows
Apps designed for playing webm files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Software apps that convert webm files:
Microsoft Windows
Apple macOS / Mac OS X
Software apps that import webm files:
Multiplatform
Software apps that export webm files:
Microsoft Windows
Multiplatform
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