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Convert WEBM files online for free
This free WebM video converter lets you change your file format while keeping the best video and audio quality. To convert a WebM file, add it to the software, select the output format, and start the conversion. If you want an app for converting multiple files in bulk without losing quality, download the desktop version of this online WebM converter on Windows and Mac.
What is WEBM?
Full name
Web Media File
Format type
Video
Developed by
On2, Xiph, and Matroska; now supported by Google
Description
WebM stands for Web Media File. It is an open, royalty-free, audiovisual file format created in 2010 specifically for the web. If you are not sure how to play a WebM file, you’ll find information about the WebM format specification and a list of programs that support playback of these files below.
File extension
.webm
Technical details
The WebM file type is used in HTML5 video and audio elements. It supports variable video frame rates and audio bitrates. In a WebM file, the video stream is compressed with VP8 or VP9 video codecs, and the audio stream with Vorbis or Opus audio codecs.
Associated programs
QuickTime Player, Google Chrome, Opera, Mozilla Firefox, YouTube, and Adobe Flash Player
Popular WEBM conversions
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