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Codec: avc1.42083d

87.24% Encoder Support
1,876,183 of 2,150,483 sessions supported encoding
87.45% Decoder Support
1,835,826 of 2,099,264 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,483 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.9% 867,589 / 868,439 99.65% 100,521 / 100,874 — 99.25% 645,260 / 650,129 97.27% 42,452 / 43,643
SafariSafari
 — 1.51% 725 / 48,164 1.89% 4,129 / 218,114 — —
EdgeEdge
 99.97% 143,877 / 143,923 99.87% 1,528 / 1,530 — 99.81% 4,159 / 4,167 98.54% 677 / 687
FirefoxFirefox
 95.86% 51,601 / 53,830 99.99% 7,399 / 7,400 — 0.0% 0 / 104 98.82% 5,865 / 5,935

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,264 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 845,539 / 845,934 99.64% 96,866 / 97,213 — 99.36% 636,188 / 640,255 97.37% 41,293 / 42,410
SafariSafari
 — 1.59% 742 / 46,725 1.9% 4,041 / 212,526 — —
EdgeEdge
 99.97% 139,813 / 139,859 99.93% 1,489 / 1,490 — 100.0% 4,079 / 4,079 98.83% 673 / 681
FirefoxFirefox
 99.95% 51,987 / 52,015 99.79% 7,160 / 7,175 — 0.0% 0 / 94 98.22% 5,586 / 5,687