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Codec: avc1.641433

86.14% Encoder Support
1,850,458 of 2,148,101 sessions supported encoding
99.8% Decoder Support
2,093,000 of 2,097,137 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,101 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.36% 862,097 / 867,629 99.75% 100,163 / 100,416 — 96.51% 625,980 / 648,617 96.26% 42,173 / 43,812
SafariSafari
 — 1.54% 739 / 48,110 1.86% 4,075 / 218,515 — —
EdgeEdge
 99.85% 143,828 / 144,049 100.0% 1,423 / 1,423 — 98.59% 4,127 / 4,186 99.1% 664 / 670
FirefoxFirefox
 95.95% 51,534 / 53,707 99.95% 7,319 / 7,323 — 0.0% 0 / 102 98.71% 5,955 / 6,033

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,137 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,890 / 845,083 99.79% 96,630 / 96,830 — 99.65% 636,446 / 638,707 98.33% 41,888 / 42,598
SafariSafari
 — 99.82% 46,651 / 46,736 99.97% 212,909 / 212,963 — —
EdgeEdge
 99.99% 140,087 / 140,096 100.0% 1,379 / 1,379 — 100.0% 4,107 / 4,107 99.24% 656 / 661
FirefoxFirefox
 99.96% 51,892 / 51,911 99.93% 7,092 / 7,097 — 0.0% 0 / 92 98.22% 5,696 / 5,799