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Codec: avc1.42082a

87.32% Encoder Support
1,876,816 of 2,149,260 sessions supported encoding
99.8% Decoder Support
2,094,262 of 2,098,397 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,260 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 866,919 / 867,542 99.83% 100,300 / 100,467 — 99.5% 646,560 / 649,825 97.92% 43,006 / 43,919
SafariSafari
 — 1.51% 727 / 48,144 1.87% 4,101 / 218,844 — —
EdgeEdge
 99.99% 143,894 / 143,903 100.0% 1,477 / 1,477 — 99.81% 4,108 / 4,116 99.42% 684 / 688
FirefoxFirefox
 96.0% 51,248 / 53,381 99.99% 7,353 / 7,354 — 0.9% 1 / 111 98.84% 5,969 / 6,039

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,397 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,008 / 845,202 99.83% 96,701 / 96,870 — 99.65% 637,633 / 639,895 98.25% 41,938 / 42,685
SafariSafari
 — 99.82% 46,660 / 46,744 99.98% 213,169 / 213,220 — —
EdgeEdge
 99.99% 139,901 / 139,910 100.0% 1,444 / 1,444 — 100.0% 4,042 / 4,042 99.71% 683 / 685
FirefoxFirefox
 99.97% 51,598 / 51,615 99.99% 7,099 / 7,100 — 1.0% 1 / 100 98.37% 5,721 / 5,816