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Codec: avc1.4d041f

86.43% Encoder Support
1,855,945 of 2,147,263 sessions supported encoding
99.8% Decoder Support
2,092,163 of 2,096,256 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,263 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 861,631 / 866,832 99.75% 100,722 / 100,975 — 97.36% 632,732 / 649,866 96.59% 42,416 / 43,912
SafariSafari
 — 1.54% 736 / 47,896 1.85% 4,029 / 218,322 — —
EdgeEdge
 99.85% 142,761 / 142,980 99.93% 1,467 / 1,468 — 99.31% 4,173 / 4,202 98.98% 677 / 684
FirefoxFirefox
 95.9% 50,946 / 53,126 99.99% 7,377 / 7,378 — 0.0% 0 / 105 98.93% 5,932 / 5,996

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,256 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,233 / 844,439 99.8% 97,070 / 97,268 — 99.65% 637,672 / 639,913 98.29% 41,907 / 42,636
SafariSafari
 — 99.87% 46,491 / 46,553 99.98% 212,721 / 212,760 — —
EdgeEdge
 99.99% 138,955 / 138,964 100.0% 1,428 / 1,428 — 100.0% 4,129 / 4,129 99.11% 671 / 677
FirefoxFirefox
 99.97% 51,375 / 51,388 99.99% 7,154 / 7,155 — 0.0% 0 / 99 98.38% 5,658 / 5,751