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Codec: av01.2.21M.12

4.42% Encoder Support
2,765 of 62,505 sessions supported encoding
85.22% Decoder Support
10,004 of 11,739 sessions supported decoding

Codec Specifications

Codec Family AV1
Profile Profile 2 (12-bit)
Level Level 21
Maximum Resolution Unknown
Maximum Bitrate Unknown

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,505 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 8 / 27,630 0.0% 0 / 4,305 — 0.0% 0 / 12,150 0.0% 0 / 1,564
SafariSafari
 — 0.06% 1 / 1,581 0.0% 0 / 6,985 — —
EdgeEdge
 0.0% 0 / 4,845 0.0% 0 / 43 — 0.0% 0 / 94 —
FirefoxFirefox
 99.95% 2,182 / 2,183 100.0% 271 / 271 — — 98.7% 303 / 307

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,739 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,215 / 5,215 100.0% 681 / 681 — 100.0% 2,187 / 2,187 99.73% 376 / 377
SafariSafari
 — 0.78% 2 / 258 0.07% 1 / 1,402 — —
EdgeEdge
 100.0% 997 / 997 — — 100.0% 25 / 25 —
FirefoxFirefox
 100.0% 414 / 414 100.0% 38 / 38 — — 96.61% 57 / 59