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Codec: av01.0.21H.08

86.52% Encoder Support
54,776 of 63,312 sessions supported encoding
90.02% Decoder Support
10,703 of 11,889 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 63,312 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 27,911 / 27,911 100.0% 4,313 / 4,313 — 82.85% 10,225 / 12,342 90.96% 1,489 / 1,637
SafariSafari
 — 23.54% 378 / 1,606 33.22% 2,336 / 7,031 — —
EdgeEdge
 99.84% 5,050 / 5,058 98.25% 56 / 57 — 86.02% 80 / 93 —
FirefoxFirefox
 99.95% 2,180 / 2,181 100.0% 278 / 278 — 0.0% 0 / 18 99.65% 288 / 289

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,889 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,183 / 5,183 100.0% 698 / 698 — 100.0% 2,225 / 2,225 98.74% 391 / 396
SafariSafari
 — 23.42% 63 / 269 37.31% 541 / 1,450 — —
EdgeEdge
 100.0% 1,017 / 1,017 — — 100.0% 25 / 25 —
FirefoxFirefox
 99.53% 420 / 422 100.0% 47 / 47 — — 98.11% 52 / 53