Royalty-free format designed for the web. Developed by Google. Uses VP8, VP9, or AV1 codec with Opus audio.
Specifications
Extension.webm
MIME Typevideo/webm
StandardWebM (VP8/VP9/AV1)
Quality★★★★☆
Compatibility★★★☆☆
Compression★★★★★
Streaming Ready✅ Yes
Web Optimized✅ Yes
Mobile Optimized❌ No