av01.0.12M.08 - Codec Support | WebCodecs Fundamentals ← Back to Codec Support Table

Codec: av01.0.12M.08

87.37% Encoder Support
1,875,469 of 2,146,701 sessions supported encoding
91.32% Decoder Support
1,913,423 of 2,095,400 sessions supported decoding

Codec Specifications

Codec Family AV1
Profile Profile 0 (8-bit)
Level 5.0 (Main Tier)
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 30 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,701 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 866,225 / 866,252 100.0% 100,456 / 100,456 — 87.58% 567,443 / 647,915 86.08% 37,651 / 43,738
SafariSafari
 — 27.35% 13,161 / 48,118 32.83% 71,858 / 218,882 — —
EdgeEdge
 99.71% 143,838 / 144,260 99.59% 1,467 / 1,473 — 92.09% 3,960 / 4,300 99.12% 676 / 682
FirefoxFirefox
 99.98% 53,700 / 53,710 99.89% 7,403 / 7,411 — 0.0% 0 / 112 99.66% 5,921 / 5,941

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,400 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 843,854 / 843,862 99.99% 96,670 / 96,677 — 99.65% 635,670 / 637,931 99.13% 42,152 / 42,523
SafariSafari
 — 26.96% 12,590 / 46,699 32.76% 69,850 / 213,231 — —
EdgeEdge
 100.0% 140,202 / 140,202 99.65% 1,435 / 1,440 — 99.36% 4,209 / 4,236 99.12% 672 / 678
FirefoxFirefox
 99.83% 51,810 / 51,898 99.93% 7,176 / 7,181 — 0.0% 0 / 103 97.93% 5,586 / 5,704