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Codec: av01.1.21M.08

79.51% Encoder Support
254,681 of 320,328 sessions supported encoding
83.89% Decoder Support
225,674 of 269,021 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 320,328 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.22% 142,794 / 143,915 98.27% 19,213 / 19,552 — 84.4% 53,598 / 63,507 87.82% 6,743 / 7,678
SafariSafari
 — 0.06% 5 / 8,543 0.03% 11 / 31,471 — —
EdgeEdge
 99.53% 30,936 / 31,083 99.46% 371 / 373 — 87.77% 847 / 965 100.0% 63 / 63
FirefoxFirefox
 0.05% 5 / 9,713 0.0% 0 / 1,324 — 0.0% 0 / 33 0.91% 12 / 1,317

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,021 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 121,255 / 121,257 100.0% 15,903 / 15,903 — 99.99% 53,565 / 53,569 99.54% 6,482 / 6,512
SafariSafari
 — 0.07% 5 / 7,154 0.04% 11 / 25,778 — —
EdgeEdge
 100.0% 27,096 / 27,097 99.69% 325 / 326 — 99.33% 883 / 889 100.0% 58 / 58
FirefoxFirefox
 0.06% 5 / 7,914 0.0% 0 / 1,078 — 0.0% 0 / 21 1.1% 12 / 1,090