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Codec: av01.0.21M.08

87.4% Encoder Support
1,878,028 of 2,148,796 sessions supported encoding
91.36% Decoder Support
1,916,388 of 2,097,635 sessions supported decoding

Codec Specifications

Codec Family AV1
Profile Profile 0 (8-bit)
Level Level 21
Maximum Resolution Unknown
Maximum Bitrate Unknown

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,796 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 868,192 / 868,223 100.0% 100,589 / 100,591 — 87.59% 568,877 / 649,485 85.77% 37,789 / 44,058
SafariSafari
 — 27.33% 13,084 / 47,879 32.81% 71,458 / 217,780 — —
EdgeEdge
 99.71% 143,405 / 143,829 99.52% 1,447 / 1,454 — 92.14% 3,928 / 4,263 98.96% 668 / 675
FirefoxFirefox
 99.96% 53,606 / 53,627 99.91% 7,438 / 7,445 — 0.93% 1 / 108 99.61% 5,857 / 5,880

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,635 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 845,788 / 845,795 100.0% 96,878 / 96,879 — 99.65% 637,290 / 639,525 99.04% 42,443 / 42,854
SafariSafari
 — 26.92% 12,515 / 46,498 32.73% 69,452 / 212,169 — —
EdgeEdge
 100.0% 139,814 / 139,814 99.58% 1,410 / 1,416 — 99.28% 4,152 / 4,182 99.1% 662 / 668
FirefoxFirefox
 99.87% 51,743 / 51,812 99.9% 7,197 / 7,204 — 1.01% 1 / 99 97.99% 5,516 / 5,629