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Codec: avc1.42001e

99.63% Encoder Support
2,141,125 of 2,149,033 sessions supported encoding
99.8% Decoder Support
2,094,057 of 2,098,230 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,033 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 866,572 / 867,189 99.78% 100,296 / 100,515 — 99.51% 647,597 / 650,806 97.93% 42,784 / 43,689
SafariSafari
 — 99.77% 48,068 / 48,178 99.98% 217,797 / 217,847 — —
EdgeEdge
 100.0% 143,907 / 143,911 100.0% 1,471 / 1,471 — 99.88% 4,201 / 4,206 98.92% 643 / 650
FirefoxFirefox
 95.88% 51,400 / 53,611 99.97% 7,319 / 7,321 — 1.96% 2 / 102 98.84% 6,039 / 6,110

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,230 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,781 / 844,954 99.77% 96,668 / 96,886 — 99.65% 638,573 / 640,843 98.21% 41,769 / 42,532
SafariSafari
 — 99.85% 46,725 / 46,794 99.98% 212,097 / 212,147 — —
EdgeEdge
 100.0% 139,927 / 139,930 100.0% 1,424 / 1,424 — 100.0% 4,139 / 4,139 99.38% 639 / 643
FirefoxFirefox
 99.95% 51,834 / 51,858 99.94% 7,094 / 7,098 — 2.04% 2 / 98 98.16% 5,749 / 5,857