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Codec: av01.0.21H.10

8.25% Encoder Support
26,477 of 321,002 sessions supported encoding
91.48% Decoder Support
247,108 of 270,119 sessions supported decoding

Codec Specifications

Codec Family AV1
Profile Profile 0 (10-bit)
Level Level 21
Maximum Resolution Unknown
Maximum Bitrate Unknown

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,002 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.76% 1,099 / 144,398 1.66% 324 / 19,475 — 0.01% 9 / 63,865 0.69% 54 / 7,780
SafariSafari
 — 25.72% 2,194 / 8,531 32.38% 10,144 / 31,324 — —
EdgeEdge
 0.14% 43 / 31,116 0.0% 0 / 350 — 0.0% 0 / 944 1.54% 1 / 65
FirefoxFirefox
 99.9% 9,682 / 9,692 100.0% 1,344 / 1,344 — 0.0% 0 / 36 98.85% 1,287 / 1,302

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,119 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 122,036 / 122,038 99.99% 15,843 / 15,844 — 99.99% 54,025 / 54,031 99.58% 6,563 / 6,591
SafariSafari
 — 23.82% 1,705 / 7,159 32.59% 8,354 / 25,632 — —
EdgeEdge
 100.0% 27,112 / 27,112 99.68% 310 / 311 — 99.19% 858 / 865 100.0% 56 / 56
FirefoxFirefox
 99.77% 7,888 / 7,906 99.91% 1,102 / 1,103 — 0.0% 0 / 27 99.63% 1,067 / 1,071