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Codec: av01.1.21M.08

76.89% Encoder Support
48,588 of 63,195 sessions supported encoding
80.85% Decoder Support
9,623 of 11,902 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 63,195 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.16% 27,682 / 27,916 98.33% 4,233 / 4,305 — 82.67% 10,117 / 12,238 91.32% 1,378 / 1,509
SafariSafari
 — 0.06% 1 / 1,649 0.01% 1 / 7,101 — —
EdgeEdge
 99.7% 4,986 / 5,001 98.15% 53 / 54 — 89.29% 100 / 112 —
FirefoxFirefox
 0.0% 0 / 2,233 0.0% 0 / 285 — 0.0% 0 / 15 0.34% 1 / 296

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,902 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,259 / 5,259 100.0% 656 / 656 — 100.0% 2,300 / 2,300 99.42% 341 / 343
SafariSafari
 — 0.38% 1 / 265 0.0% 0 / 1,416 — —
EdgeEdge
 100.0% 1,015 / 1,015 — — 100.0% 36 / 36 —
FirefoxFirefox
 0.0% 0 / 434 0.0% 0 / 39 — — 0.0% 0 / 69