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Codec: avc1.4d143e

86.39% Encoder Support
1,854,278 of 2,146,470 sessions supported encoding
87.39% Decoder Support
1,831,438 of 2,095,605 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,470 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 860,016 / 865,366 99.64% 100,491 / 100,851 — 97.36% 632,554 / 649,714 96.34% 42,156 / 43,758
SafariSafari
 — 1.48% 706 / 47,824 1.83% 4,009 / 218,855 — —
EdgeEdge
 99.83% 143,024 / 143,262 99.86% 1,437 / 1,439 — 99.31% 4,192 / 4,221 98.98% 680 / 687
FirefoxFirefox
 95.83% 51,227 / 53,456 99.96% 7,490 / 7,493 — 0.0% 0 / 114 98.78% 5,917 / 5,990

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,605 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 842,542 / 842,963 99.64% 96,833 / 97,182 — 99.35% 635,570 / 639,711 97.46% 41,471 / 42,553
SafariSafari
 — 1.52% 708 / 46,447 1.84% 3,931 / 213,417 — —
EdgeEdge
 99.97% 139,260 / 139,302 99.93% 1,393 / 1,394 — 100.0% 4,146 / 4,146 99.12% 673 / 679
FirefoxFirefox
 99.94% 51,659 / 51,689 99.81% 7,243 / 7,257 — 0.0% 0 / 106 98.28% 5,650 / 5,749