Sample WebM Files — Open Video Format Downloads
Download free sample WebM files with VP8, VP9, and AV1 codecs. Google's open, royalty-free video format — designed for web streaming with smaller files and good quality.
What is WebM?
WebM is an open, royalty-free video format from Google based on the Matroska container. Designed for web streaming — smaller files, good quality. Supported natively by Chrome, Firefox, and Edge. Limited support on Safari (check caniuse.com).
WebM vs MP4 for web video
| Feature | WebM (VP9/AV1) | MP4 (H.264) |
|---|---|---|
| Licensing | Royalty-free | Requires licensing |
| File size | Smaller (VP9/AV1) | Larger at same quality |
| Safari support | Limited | Full |
| Chrome/Firefox | Full | Full |
| Best codec | AV1 (newest) | H.264 (universal) |
Best practice: serve both formats
<video controls>
<source src="video.webm" type="video/webm">
<source src="video.mp4" type="video/mp4">
</video>Browsers pick the first format they support. Chrome/Firefox use WebM (smaller). Safari falls back to MP4 automatically.
Technical specifications
| Container | WebM (Matroska-based) |
| Video codecs | VP8, VP9, AV1 |
| Audio codecs | Vorbis, Opus |
| Developed by | Google (open-source) |
| Licensing | Royalty-free (BSD-style) |