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.WEBM File Extension

File TypeWebM Video File

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CategoryVideo Files

What is a WEBM file?

A WEBM file is a compressed video saved in the WebM format, an open, high-quality video standard. It stores video compressed using VP8 technology and audio compressed using Ogg Vorbis compression. WEBM files are commonly used for delivering online videos using the HTML5 <video> tag.

More Information

Screenshot of a .webm file in VideoLAN VLC media player 3

WEBM file open in VideoLAN VLC media player 3

The WEBM container format is based on the Matroska container, which stores Matroska video in .MKV files. Most major Web browsers will support WebM as part of HTML5 video delivery. WebM is an alternative to the patented h.264 and MPEG4 standards, and is suitable for commercial and non-commercial applications.

NOTE: Google acquired ON2, the original developer of VP8 technology. VP8 is now an open and free technology.

How do I open a WEBM file?

You can open and play a WEBM video in VLC media player (cross-platform). Additionally, you can convert WEBM videos to other formats in Miro Video Converter (Windows, Mac) or HandBrake (cross-platform).

Open and view .WEBM files with File Viewer Plus.

Programs that open WEBM files

Updated 11/2/2020

About WEBM Files

Our goal is to help you understand what a file with a *.webm suffix is and how to open it.

The WebM Video file type, file format description, and Mac, Windows, Linux, Android, and iOS programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

If you would like to suggest any additions or updates to this page, please let us know.