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Codec: av01.0.21M.12

4.88% Encoder Support
3,070 of 62,870 sessions supported encoding
85.35% Decoder Support
10,187 of 11,935 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 62,870 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.81% 224 / 27,593 1.15% 51 / 4,418 — 0.02% 2 / 12,161 0.63% 10 / 1,597
SafariSafari
 — 21.15% 356 / 1,683 31.96% 2,223 / 6,955 — —
EdgeEdge
 0.18% 9 / 5,065 0.0% 0 / 51 — 0.0% 0 / 101 —
FirefoxFirefox
 0.05% 1 / 2,159 0.0% 0 / 298 — 0.0% 0 / 12 0.0% 0 / 276

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,935 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,231 / 5,231 100.0% 691 / 691 — 100.0% 2,266 / 2,266 98.68% 373 / 378
SafariSafari
 — 19.49% 54 / 277 33.1% 473 / 1,429 — —
EdgeEdge
 100.0% 1,027 / 1,027 100.0% 12 / 12 — 100.0% 29 / 29 —
FirefoxFirefox
 0.0% 0 / 411 0.0% 0 / 48 — — 0.0% 0 / 51