← Back to Codec Support Table

Codec: av01.1.21M.08

79.83% Encoder Support
1,713,424 of 2,146,302 sessions supported encoding
84.27% Decoder Support
1,765,489 of 2,094,994 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 2,146,302 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 860,084 / 866,425 98.47% 98,566 / 100,093 — 87.53% 567,439 / 648,257 85.4% 37,228 / 43,591
SafariSafari
 — 0.15% 73 / 48,388 0.02% 48 / 218,589 — —
EdgeEdge
 99.66% 143,454 / 143,948 99.33% 1,481 / 1,491 — 92.1% 3,917 / 4,253 97.66% 668 / 684
FirefoxFirefox
 0.04% 20 / 53,461 0.09% 7 / 7,452 — 1.8% 2 / 111 0.86% 52 / 6,068

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,094,994 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 843,744 / 843,767 99.99% 96,439 / 96,444 — 99.64% 636,027 / 638,319 99.06% 42,028 / 42,425
SafariSafari
 — 0.17% 82 / 46,999 0.03% 73 / 212,896 — —
EdgeEdge
 100.0% 139,960 / 139,962 99.38% 1,435 / 1,444 — 99.4% 4,152 / 4,177 98.67% 670 / 679
FirefoxFirefox
 0.05% 24 / 51,662 0.1% 7 / 7,206 — 2.02% 2 / 99 0.89% 52 / 5,840