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Codec: av01.0.09H.08

87.94% Encoder Support
281,908 of 320,578 sessions supported encoding
91.58% Decoder Support
246,633 of 269,312 sessions supported decoding

Codec Specifications

Codec Family AV1
Profile Profile 0 (8-bit)
Level 4.1 (High Tier)
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,578 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.99% 144,465 / 144,473 100.0% 19,629 / 19,629 — 84.36% 53,679 / 63,632 89.0% 6,957 / 7,817
SafariSafari
 — 26.94% 2,287 / 8,490 32.97% 10,297 / 31,231 — —
EdgeEdge
 99.64% 30,618 / 30,729 98.61% 355 / 360 — 89.52% 871 / 973 96.88% 62 / 64
FirefoxFirefox
 99.96% 9,737 / 9,741 99.85% 1,307 / 1,309 — 0.0% 0 / 31 99.45% 1,267 / 1,274

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,312 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 121,842 / 121,842 100.0% 15,970 / 15,970 — 100.0% 53,674 / 53,676 99.64% 6,602 / 6,626
SafariSafari
 — 25.02% 1,786 / 7,137 33.18% 8,469 / 25,528 — —
EdgeEdge
 100.0% 26,781 / 26,781 99.37% 315 / 317 — 99.66% 880 / 883 100.0% 56 / 56
FirefoxFirefox
 99.81% 7,926 / 7,941 99.81% 1,079 / 1,081 — 0.0% 0 / 26 99.52% 1,040 / 1,045