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Codec: avc1.4d0c1f

86.45% Encoder Support
1,857,358 of 2,148,533 sessions supported encoding
99.8% Decoder Support
2,093,818 of 2,097,936 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 2,148,533 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 861,684 / 866,887 99.76% 100,185 / 100,427 — 97.37% 632,782 / 649,891 96.72% 42,365 / 43,801
SafariSafari
 — 1.57% 751 / 47,873 1.88% 4,111 / 218,419 — —
EdgeEdge
 99.85% 143,840 / 144,049 100.0% 1,485 / 1,485 — 99.43% 4,160 / 4,184 98.54% 675 / 685
FirefoxFirefox
 95.89% 51,487 / 53,696 99.99% 7,533 / 7,534 — 0.89% 1 / 112 98.9% 5,953 / 6,019

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,936 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,507 / 844,701 99.8% 96,565 / 96,758 — 99.65% 637,788 / 640,057 98.33% 41,918 / 42,628
SafariSafari
 — 99.86% 46,481 / 46,547 99.98% 212,758 / 212,795 — —
EdgeEdge
 99.99% 139,995 / 140,005 100.0% 1,442 / 1,442 — 100.0% 4,118 / 4,118 98.67% 670 / 679
FirefoxFirefox
 99.96% 51,920 / 51,940 99.97% 7,319 / 7,321 — 1.0% 1 / 100 98.48% 5,690 / 5,778