WEBM file extension. How to open and convert files with WEBM file suffix

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

Detailed description

Software that open webm file

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WEBM file extension - Matroska WebM video

What is webm file? How to open webm files?

File type specification:

Digital video and movie file type

webm file icon:

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.

Updated: March 16, 2025

The default software associated to open webm file:

Media Player

Company or developer:
Microsoft Corporation

Windows 11 default media player is called Media Player. Microsoft developed it for the latest Windows 11 operating system (OS). Media Player replaces the old Windows Media Player, Windows 10 Groove Music, and Microsoft Movies & TV. It was released to all Win11 users on February 15, 2022.

VLC media player

Company or developer:
VideoLAN Project Team

Very popular multimedia player developed for Windows, Apple Mac, Linux, Unix, and various other operating systems and platforms.

VLC can playback many of the video formats (AVI, MKV, OGV, WMV, ASF, MOV...) and audio formats (MP3, AAC, M4A, OGG, FLAC...) as well as support of subtitles for video. It can also be used as a streaming server and multimedia transcoder.

Help how to open:

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.

How to convert:

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.

Find conversions from webm file:

Find converter to webm file type:

List of software applications associated to the .webm file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open webm file, edit webm file, convert webm file, view webm file, play webm file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting webm files.

webm file viewer - programs that view webm file - Matroska WebM video

Programs supporting the exension webm on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Media Player for view webm file action.