WebM file format
WebM (.webm): video embedded in websites and screen recordings.
WebM is an open, royalty-free video format designed for the web. Screen recorders and browsers often save clips as WebM. It is efficient, but many video editors, iPhones, smart TVs and upload forms do not handle it well, so WebM files are frequently converted to MP4.
| Full name | WebM |
|---|---|
| File extension | .webm |
| MIME type | video/webm |
| Created | 2010 by Google |
| Usual codecs | VP8, VP9 or AV1 video with Opus or Vorbis audio |
| Plays on | Chrome, Firefox, Edge and Android; partial support on iPhone and Mac; not accepted by many editors |
| Best for | video embedded in websites and screen recordings |
Advantages
- Royalty-free and efficient
- Plays in Chrome, Firefox and Edge
Drawbacks
- Weak support in editors, TVs and some Apple apps
Convert WebM to…
Convert to WebM
Frequently asked questions
What is a .webm file?
WebM is an open, royalty-free video format designed for the web. Screen recorders and browsers often save clips as WebM. It is efficient, but many video editors, iPhones, smart TVs and upload forms do not handle it well, so WebM files are frequently converted to MP4.
How do I open a WebM file?
WebM files open on Chrome, Firefox, Edge and Android; partial support on iPhone and Mac; not accepted by many editors. If a program will not open yours, convert it to a more common format.
How do I convert WebM?
Use one of the converters below — they run in your browser, so your videos are never uploaded. Most popular: WebM to MP4, WebM to MP3, WebM to MOV.