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Codec: av01.0.21M.08

87.91% Encoder Support
282,201 of 321,017 sessions supported encoding
91.56% Decoder Support
247,074 of 269,856 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 321,017 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 144,098 / 144,104 100.0% 19,848 / 19,848 — 84.33% 53,895 / 63,912 88.38% 6,899 / 7,806
SafariSafari
 — 25.96% 2,189 / 8,432 32.91% 10,274 / 31,221 — —
EdgeEdge
 99.64% 30,906 / 31,019 99.44% 358 / 360 — 87.87% 833 / 948 98.55% 68 / 69
FirefoxFirefox
 99.92% 9,865 / 9,873 100.0% 1,327 / 1,327 — 0.0% 0 / 30 99.54% 1,291 / 1,297

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,856 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 121,675 / 121,676 100.0% 16,136 / 16,136 — 99.98% 53,943 / 53,952 99.58% 6,574 / 6,602
SafariSafari
 — 24.1% 1,699 / 7,051 33.0% 8,452 / 25,610 — —
EdgeEdge
 100.0% 27,004 / 27,004 99.69% 321 / 322 — 99.19% 860 / 867 100.0% 62 / 62
FirefoxFirefox
 99.78% 8,040 / 8,058 99.72% 1,083 / 1,086 — 0.0% 0 / 21 99.33% 1,039 / 1,046