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Codec: avc1.4d0c20

86.47% Encoder Support
1,855,611 of 2,146,038 sessions supported encoding
99.81% Decoder Support
2,090,944 of 2,095,013 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 2,146,038 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,672 / 866,973 99.76% 100,460 / 100,704 — 97.34% 631,751 / 649,004 96.67% 42,303 / 43,759
SafariSafari
 — 1.61% 775 / 48,057 1.84% 4,000 / 217,166 — —
EdgeEdge
 99.85% 143,323 / 143,532 100.0% 1,449 / 1,449 — 99.45% 4,173 / 4,196 99.11% 665 / 671
FirefoxFirefox
 95.9% 51,444 / 53,642 99.97% 7,328 / 7,330 — 0.96% 1 / 104 98.95% 5,934 / 5,997

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,013 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,296 / 844,506 99.81% 96,847 / 97,035 — 99.65% 636,690 / 638,944 98.33% 41,881 / 42,591
SafariSafari
 — 99.84% 46,667 / 46,743 99.98% 211,507 / 211,552 — —
EdgeEdge
 100.0% 139,568 / 139,574 100.0% 1,421 / 1,421 — 100.0% 4,117 / 4,117 99.55% 661 / 664
FirefoxFirefox
 99.97% 51,831 / 51,849 99.97% 7,115 / 7,117 — 1.08% 1 / 93 98.62% 5,700 / 5,780