.webm — WebM Video
An open, royalty-free video container designed for the web, typically using VP8/VP9 or AV1 video with Vorbis or Opus audio.
Media files are generally low-risk to open with trusted, up-to-date software. Keep your viewer/player updated, since any file format can theoretically be crafted to exploit a buggy app.
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Frequently asked questions
What is a .webm file?
An open, royalty-free video container designed for the web, typically using VP8/VP9 or AV1 video with Vorbis or Opus audio.
Can I edit a .webm file?
Partially. .webm files can be edited with the right tool (such as Any modern web browser), but not with just any text editor.
Does having a .webm extension mean the file is safe?
No single extension can guarantee that. Media files are generally low-risk to open with trusted, up-to-date software. Keep your viewer/player updated, since any file format can theoretically be crafted to exploit a buggy app. Always consider where the file came from, not just its name.