video/webm

WebM is a video and audio container format released by Google, used with content encoded under the VP8 or VP9 codecs for video, and Vorbis and Opus for audio. It is a variant of Matroska, based on EBML.

File types

.webm

Also appears as

Not known to appear as any other types

Further reading

  1. Let's Solve the File Format Problem!