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Codec: av01.0.21H.12

4.47% Encoder Support
14,385 of 321,530 sessions supported encoding
87.71% Decoder Support
237,225 of 270,467 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 321,530 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.77% 1,112 / 144,479 1.76% 349 / 19,830 — 0.02% 11 / 63,575 0.76% 59 / 7,723
SafariSafari
 — 25.89% 2,200 / 8,496 32.61% 10,316 / 31,637 — —
EdgeEdge
 0.13% 42 / 31,137 0.0% 0 / 397 — 0.0% 0 / 1,002 0.0% 0 / 69
FirefoxFirefox
 0.01% 1 / 9,726 0.0% 0 / 1,278 — 0.0% 0 / 43 0.23% 3 / 1,307

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,467 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 122,236 / 122,238 99.99% 16,183 / 16,184 — 100.0% 53,545 / 53,547 99.69% 6,492 / 6,512
SafariSafari
 — 24.16% 1,726 / 7,144 32.48% 8,403 / 25,874 — —
EdgeEdge
 100.0% 27,072 / 27,072 100.0% 351 / 351 — 99.57% 932 / 936 100.0% 63 / 63
FirefoxFirefox
 0.13% 10 / 7,979 0.0% 0 / 1,042 — 0.0% 0 / 32 1.28% 14 / 1,091