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Codec: avc1.4d0020

98.71% Encoder Support
2,122,132 of 2,149,887 sessions supported encoding
99.8% Decoder Support
2,094,813 of 2,098,930 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,887 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,471 / 866,724 99.74% 100,447 / 100,713 — 97.33% 632,926 / 650,285 96.61% 42,740 / 44,238
SafariSafari
 — 99.77% 48,026 / 48,135 99.98% 218,983 / 219,021 — —
EdgeEdge
 99.84% 143,390 / 143,623 100.0% 1,436 / 1,436 — 99.38% 4,188 / 4,214 98.71% 687 / 696
FirefoxFirefox
 95.84% 51,453 / 53,685 99.97% 7,489 / 7,491 — 0.83% 1 / 120 99.03% 6,004 / 6,063

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,930 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,928 / 844,097 99.8% 96,877 / 97,071 — 99.65% 638,212 / 640,483 98.29% 42,290 / 43,026
SafariSafari
 — 99.84% 46,736 / 46,812 99.98% 213,425 / 213,463 — —
EdgeEdge
 100.0% 139,647 / 139,652 100.0% 1,399 / 1,399 — 100.0% 4,136 / 4,136 98.99% 684 / 691
FirefoxFirefox
 99.97% 51,873 / 51,888 99.97% 7,243 / 7,245 — 0.88% 1 / 113 98.81% 5,744 / 5,813