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Codec: avc1.4d101e

98.72% Encoder Support
2,122,480 of 2,150,005 sessions supported encoding
99.81% Decoder Support
2,094,650 of 2,098,673 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,005 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 862,906 / 868,176 99.76% 100,487 / 100,725 — 97.36% 632,553 / 649,731 96.7% 42,413 / 43,860
SafariSafari
 — 99.76% 47,829 / 47,942 99.98% 218,696 / 218,745 — —
EdgeEdge
 99.85% 143,469 / 143,682 100.0% 1,461 / 1,461 — 99.31% 4,170 / 4,199 98.99% 687 / 694
FirefoxFirefox
 95.87% 51,526 / 53,747 99.93% 7,446 / 7,451 — 0.0% 0 / 110 98.84% 5,964 / 6,034

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,673 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,384 / 845,568 99.81% 96,905 / 97,085 — 99.65% 637,497 / 639,708 98.44% 41,978 / 42,643
SafariSafari
 — 99.84% 46,461 / 46,537 99.98% 213,092 / 213,140 — —
EdgeEdge
 99.99% 139,697 / 139,708 100.0% 1,424 / 1,424 — 100.0% 4,126 / 4,126 99.27% 680 / 685
FirefoxFirefox
 99.97% 51,876 / 51,893 99.92% 7,225 / 7,231 — 0.0% 0 / 100 98.5% 5,711 / 5,798