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Codec: avc1.4d083c

86.38% Encoder Support
1,855,711 of 2,148,357 sessions supported encoding
87.39% Decoder Support
1,832,608 of 2,097,002 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,357 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,827 / 867,114 99.64% 100,562 / 100,927 — 97.37% 632,468 / 649,577 96.38% 42,362 / 43,953
SafariSafari
 — 1.49% 717 / 48,064 1.86% 4,069 / 219,279 — —
EdgeEdge
 99.84% 142,849 / 143,073 99.93% 1,387 / 1,388 — 99.45% 4,190 / 4,213 98.4% 677 / 688
FirefoxFirefox
 95.89% 50,979 / 53,163 99.97% 7,386 / 7,388 — 0.89% 1 / 112 98.77% 5,886 / 5,959

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,002 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 844,055 / 844,468 99.63% 96,880 / 97,235 — 99.38% 635,526 / 639,512 97.44% 41,703 / 42,799
SafariSafari
 — 1.54% 720 / 46,669 1.87% 3,989 / 213,572 — —
EdgeEdge
 99.97% 139,019 / 139,067 100.0% 1,352 / 1,352 — 100.0% 4,151 / 4,151 98.83% 674 / 682
FirefoxFirefox
 99.95% 51,431 / 51,456 99.78% 7,159 / 7,175 — 0.99% 1 / 101 98.41% 5,625 / 5,716