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Codec: av01.0.21H.12

5.18% Encoder Support
3,263 of 63,029 sessions supported encoding
85.79% Decoder Support
10,285 of 11,988 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 63,029 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.85% 234 / 27,588 1.56% 67 / 4,291 — 0.01% 1 / 12,283 0.63% 10 / 1,578
SafariSafari
 — 22.65% 363 / 1,603 33.38% 2,399 / 7,186 — —
EdgeEdge
 0.12% 6 / 5,077 0.0% 0 / 53 — 0.0% 0 / 96 0.0% 0 / 10
FirefoxFirefox
 0.0% 0 / 2,166 0.0% 0 / 277 — 0.0% 0 / 12 0.35% 1 / 289

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,988 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,350 / 5,350 100.0% 645 / 645 — 100.0% 2,255 / 2,255 98.91% 363 / 367
SafariSafari
 — 21.96% 56 / 255 36.65% 527 / 1,438 — —
EdgeEdge
 100.0% 1,012 / 1,012 — — 100.0% 30 / 30 —
FirefoxFirefox
 0.0% 0 / 419 0.0% 0 / 41 — — 0.0% 0 / 73