← Back to Codec Support Table

Codec: avc1.4d043d

86.41% Encoder Support
1,856,813 of 2,148,765 sessions supported encoding
87.42% Decoder Support
1,833,804 of 2,097,715 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 2,148,765 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 862,933 / 868,246 99.67% 100,194 / 100,527 — 97.38% 632,254 / 649,267 96.29% 41,995 / 43,613
SafariSafari
 — 1.57% 754 / 48,112 1.84% 4,023 / 218,638 — —
EdgeEdge
 99.87% 143,521 / 143,715 99.93% 1,455 / 1,456 — 99.2% 4,198 / 4,232 99.28% 691 / 696
FirefoxFirefox
 95.87% 51,197 / 53,401 99.99% 7,398 / 7,399 — 0.88% 1 / 113 98.8% 5,843 / 5,914

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,715 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 845,364 / 845,773 99.67% 96,509 / 96,832 — 99.36% 635,274 / 639,372 97.36% 41,350 / 42,471
SafariSafari
 — 1.6% 748 / 46,743 1.85% 3,936 / 212,933 — —
EdgeEdge
 99.97% 139,683 / 139,720 99.93% 1,410 / 1,411 — 100.0% 4,150 / 4,150 99.28% 686 / 691
FirefoxFirefox
 99.95% 51,622 / 51,649 99.79% 7,161 / 7,176 — 0.98% 1 / 102 98.26% 5,580 / 5,679