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Codec: av01.0.21H.08

87.9% Encoder Support
282,066 of 320,900 sessions supported encoding
91.47% Decoder Support
246,474 of 269,447 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 320,900 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 144,372 / 144,379 100.0% 19,697 / 19,697 — 84.39% 53,714 / 63,646 88.73% 6,810 / 7,675
SafariSafari
 — 26.11% 2,220 / 8,502 32.68% 10,197 / 31,201 — —
EdgeEdge
 99.65% 30,953 / 31,061 99.21% 377 / 380 — 88.14% 832 / 944 98.53% 67 / 68
FirefoxFirefox
 99.94% 9,810 / 9,816 99.93% 1,361 / 1,362 — 0.0% 0 / 40 99.54% 1,304 / 1,310

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,447 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 121,647 / 121,648 99.99% 16,081 / 16,082 — 99.99% 53,526 / 53,529 99.58% 6,407 / 6,434
SafariSafari
 — 24.05% 1,722 / 7,161 32.68% 8,366 / 25,597 — —
EdgeEdge
 100.0% 27,020 / 27,020 99.4% 329 / 331 — 99.54% 872 / 876 100.0% 61 / 61
FirefoxFirefox
 99.79% 8,040 / 8,057 99.91% 1,130 / 1,131 — 0.0% 0 / 27 99.63% 1,070 / 1,074