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Codec: avc1.64043d

86.12% Encoder Support
1,851,779 of 2,150,352 sessions supported encoding
87.4% Decoder Support
1,834,737 of 2,099,124 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,352 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.36% 862,086 / 867,664 99.65% 100,642 / 100,995 — 96.5% 627,219 / 649,996 95.97% 41,882 / 43,641
SafariSafari
 — 1.56% 756 / 48,451 1.85% 4,037 / 218,687 — —
EdgeEdge
 99.86% 143,896 / 144,102 100.0% 1,394 / 1,394 — 98.77% 4,086 / 4,137 98.91% 636 / 643
FirefoxFirefox
 96.03% 51,324 / 53,446 99.97% 7,418 / 7,420 — 0.75% 1 / 134 98.93% 6,026 / 6,091

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,124 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 844,701 / 845,105 99.64% 96,997 / 97,345 — 99.35% 635,783 / 639,918 97.43% 41,376 / 42,468
SafariSafari
 — 1.64% 771 / 47,037 1.85% 3,950 / 213,021 — —
EdgeEdge
 99.97% 140,128 / 140,166 100.0% 1,353 / 1,353 — 100.0% 4,063 / 4,063 99.06% 629 / 635
FirefoxFirefox
 99.96% 51,699 / 51,721 99.86% 7,197 / 7,207 — 0.8% 1 / 125 98.26% 5,745 / 5,847