video/webm
The MIME type for WebM video. Hosts VP8/VP9/AV1 streams — widely used with HTML5 video.
Typical extensions
Primary uses
- Short clips on the web
- Live-streaming segments
- Royalty-free video delivery
In a browser
All major browsers play WebM. Safari supports it from 14.1 onward.
On a server
Static delivery with Range support. fMP4 tends to win in HLS/DASH pipelines.
In email
Inline playback is spotty. Watch attachment size limits.