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Codec: avc1.42081f

87.33% Encoder Support
1,876,313 of 2,148,409 sessions supported encoding
99.8% Decoder Support
2,093,473 of 2,097,659 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,409 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 866,428 / 867,052 99.82% 100,514 / 100,699 — 99.48% 646,105 / 649,451 98.11% 42,716 / 43,537
SafariSafari
 — 1.52% 728 / 47,880 1.85% 4,052 / 218,453 — —
EdgeEdge
 99.99% 143,940 / 143,948 100.0% 1,487 / 1,487 — 99.9% 4,146 / 4,150 98.84% 680 / 688
FirefoxFirefox
 95.88% 51,626 / 53,845 99.95% 7,446 / 7,450 — 0.0% 0 / 124 98.6% 5,973 / 6,058

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,659 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,566 / 844,755 99.81% 96,821 / 97,007 — 99.63% 637,260 / 639,599 98.38% 41,645 / 42,332
SafariSafari
 — 99.86% 46,447 / 46,511 99.98% 212,769 / 212,817 — —
EdgeEdge
 99.99% 140,012 / 140,020 100.0% 1,431 / 1,431 — 100.0% 4,071 / 4,071 99.12% 679 / 685
FirefoxFirefox
 99.96% 52,108 / 52,128 99.94% 7,206 / 7,210 — 0.0% 0 / 115 98.44% 5,736 / 5,827