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Codec: avc1.4d0833

86.43% Encoder Support
1,855,965 of 2,147,374 sessions supported encoding
99.8% Decoder Support
2,092,460 of 2,096,593 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,374 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,747 / 866,994 99.75% 100,679 / 100,930 — 97.37% 631,073 / 648,098 96.62% 42,389 / 43,874
SafariSafari
 — 1.53% 738 / 48,194 1.87% 4,075 / 218,249 — —
EdgeEdge
 99.86% 143,679 / 143,886 99.93% 1,404 / 1,405 — 99.31% 4,165 / 4,194 98.73% 701 / 710
FirefoxFirefox
 95.89% 51,468 / 53,673 99.96% 7,534 / 7,537 — 0.92% 1 / 109 98.91% 5,969 / 6,035

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,593 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,488 / 844,683 99.8% 97,065 / 97,261 — 99.64% 635,919 / 638,198 98.32% 41,992 / 42,710
SafariSafari
 — 99.82% 46,718 / 46,800 99.98% 212,612 / 212,652 — —
EdgeEdge
 99.99% 139,946 / 139,954 100.0% 1,371 / 1,371 — 100.0% 4,122 / 4,122 99.0% 694 / 701
FirefoxFirefox
 99.96% 51,865 / 51,884 99.95% 7,306 / 7,310 — 1.02% 1 / 98 98.6% 5,709 / 5,790