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Codec: av01.0.21M.12

4.42% Encoder Support
14,141 of 319,813 sessions supported encoding
87.67% Decoder Support
235,701 of 268,849 sessions supported decoding

Codec Specifications

Codec Family AV1
Profile Profile 0 (12-bit)
Level Level 21
Maximum Resolution Unknown
Maximum Bitrate Unknown

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,813 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.78% 1,120 / 143,691 1.56% 308 / 19,689 — 0.02% 13 / 63,389 0.76% 59 / 7,767
SafariSafari
 — 25.32% 2,163 / 8,541 32.45% 10,142 / 31,251 — —
EdgeEdge
 0.12% 36 / 30,927 0.0% 0 / 367 — 0.0% 0 / 980 0.0% 0 / 64
FirefoxFirefox
 0.03% 3 / 9,678 0.0% 0 / 1,375 — 0.0% 0 / 36 0.32% 4 / 1,264

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,849 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 121,323 / 121,326 100.0% 15,962 / 15,962 — 99.99% 53,490 / 53,494 99.59% 6,521 / 6,548
SafariSafari
 — 23.33% 1,664 / 7,131 32.51% 8,355 / 25,703 — —
EdgeEdge
 100.0% 26,889 / 26,889 99.7% 327 / 328 — 99.89% 907 / 908 100.0% 60 / 60
FirefoxFirefox
 0.05% 4 / 7,930 0.0% 0 / 1,125 — 0.0% 0 / 27 1.54% 16 / 1,039