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Codec: av01.0.21H.08

87.37% Encoder Support
1,876,415 of 2,147,571 sessions supported encoding
91.33% Decoder Support
1,914,346 of 2,096,116 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 2,147,571 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 866,853 / 866,886 100.0% 100,559 / 100,560 — 87.56% 568,582 / 649,328 86.13% 37,452 / 43,485
SafariSafari
 — 27.41% 13,170 / 48,053 32.81% 71,668 / 218,411 — —
EdgeEdge
 99.71% 143,246 / 143,665 99.43% 1,407 / 1,415 — 92.01% 3,825 / 4,157 99.29% 695 / 700
FirefoxFirefox
 99.98% 53,842 / 53,852 99.87% 7,399 / 7,409 — 0.85% 1 / 117 99.59% 6,004 / 6,029

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,116 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 844,147 / 844,155 100.0% 96,941 / 96,945 — 99.65% 636,960 / 639,211 99.05% 41,844 / 42,244
SafariSafari
 — 26.97% 12,600 / 46,711 32.74% 69,671 / 212,807 — —
EdgeEdge
 100.0% 139,624 / 139,624 99.49% 1,359 / 1,366 — 99.36% 4,063 / 4,089 99.42% 689 / 693
FirefoxFirefox
 99.86% 52,020 / 52,093 99.93% 7,173 / 7,178 — 0.96% 1 / 104 98.14% 5,684 / 5,792