← Back to Codec Support Table

Codec: avc1.4d143d

86.39% Encoder Support
1,856,931 of 2,149,442 sessions supported encoding
87.4% Decoder Support
1,833,849 of 2,098,336 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,442 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 862,563 / 867,820 99.63% 100,394 / 100,763 — 97.37% 632,593 / 649,654 96.44% 42,263 / 43,825
SafariSafari
 — 1.48% 714 / 48,129 1.82% 3,991 / 219,163 — —
EdgeEdge
 99.85% 143,435 / 143,646 99.93% 1,433 / 1,434 — 99.34% 4,245 / 4,273 98.93% 649 / 656
FirefoxFirefox
 95.88% 51,005 / 53,195 99.97% 7,408 / 7,410 — 0.93% 1 / 107 98.88% 5,899 / 5,966

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,336 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 845,002 / 845,387 99.63% 96,734 / 97,089 — 99.37% 635,546 / 639,574 97.42% 41,564 / 42,664
SafariSafari
 — 1.57% 734 / 46,719 1.83% 3,912 / 213,581 — —
EdgeEdge
 99.97% 139,617 / 139,658 100.0% 1,392 / 1,392 — 100.0% 4,184 / 4,184 99.08% 645 / 651
FirefoxFirefox
 99.94% 51,410 / 51,441 99.85% 7,149 / 7,160 — 1.06% 1 / 94 98.26% 5,638 / 5,738