← Back to Codec Support Table

Codec: av01.0.21H.12

4.39% Encoder Support
94,406 of 2,149,478 sessions supported encoding
88.25% Decoder Support
1,851,837 of 2,098,415 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 2,149,478 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.73% 6,379 / 868,169 1.53% 1,544 / 100,888 — 0.01% 73 / 649,226 0.64% 278 / 43,597
SafariSafari
 — 27.14% 13,054 / 48,096 32.74% 71,608 / 218,725 — —
EdgeEdge
 0.07% 107 / 143,811 0.0% 0 / 1,501 — 0.07% 3 / 4,198 1.02% 7 / 685
FirefoxFirefox
 0.0% 2 / 53,424 0.0% 0 / 7,455 — 0.0% 0 / 127 0.05% 3 / 6,083

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,415 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 845,898 / 845,928 99.99% 97,237 / 97,242 — 99.64% 636,886 / 639,198 99.15% 42,025 / 42,386
SafariSafari
 — 26.92% 12,582 / 46,744 32.67% 69,574 / 212,962 — —
EdgeEdge
 100.0% 139,745 / 139,746 99.79% 1,452 / 1,455 — 99.3% 4,103 / 4,132 99.41% 675 / 679
FirefoxFirefox
 0.05% 24 / 51,677 0.08% 6 / 7,219 — 0.86% 1 / 116 1.07% 63 / 5,867