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Codec: av01.1.21H.08

79.89% Encoder Support
1,716,283 of 2,148,218 sessions supported encoding
84.36% Decoder Support
1,769,273 of 2,097,260 sessions supported decoding

Codec Specifications

Codec Family AV1
Profile Profile 1 (8-bit)
Level Level 21
Maximum Resolution Unknown
Maximum Bitrate Unknown

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,218 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 861,119 / 867,387 98.46% 98,924 / 100,476 — 87.49% 569,157 / 650,503 85.17% 37,258 / 43,744
SafariSafari
 — 0.14% 65 / 48,036 0.02% 52 / 217,588 — —
EdgeEdge
 99.65% 143,139 / 143,645 99.2% 1,495 / 1,507 — 91.81% 3,923 / 4,273 98.02% 692 / 706
FirefoxFirefox
 0.03% 17 / 53,299 0.09% 7 / 7,525 — 0.86% 1 / 116 0.96% 57 / 5,948

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,260 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 845,043 / 845,075 100.0% 96,808 / 96,810 — 99.65% 638,249 / 640,520 99.01% 42,169 / 42,590
SafariSafari
 — 0.16% 73 / 46,611 0.04% 80 / 211,914 — —
EdgeEdge
 100.0% 139,652 / 139,653 99.18% 1,455 / 1,467 — 99.38% 4,175 / 4,201 98.86% 694 / 702
FirefoxFirefox
 0.04% 20 / 51,554 0.08% 6 / 7,270 — 0.92% 1 / 109 1.03% 59 / 5,739