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Codec: avc1.4d0c2a

86.42% Encoder Support
1,855,008 of 2,146,429 sessions supported encoding
99.8% Decoder Support
2,091,116 of 2,095,232 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,429 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,236 / 866,493 99.76% 100,568 / 100,806 — 97.35% 630,768 / 647,921 96.67% 42,424 / 43,887
SafariSafari
 — 1.56% 751 / 48,200 1.8% 3,931 / 218,112 — —
EdgeEdge
 99.86% 143,738 / 143,943 100.0% 1,474 / 1,474 — 99.44% 4,077 / 4,100 98.73% 700 / 709
FirefoxFirefox
 95.98% 51,373 / 53,524 99.96% 7,532 / 7,535 — 0.0% 0 / 98 98.83% 6,057 / 6,129

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,232 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,853 / 844,033 99.81% 96,941 / 97,129 — 99.65% 635,826 / 638,058 98.25% 41,878 / 42,625
SafariSafari
 — 99.81% 46,689 / 46,776 99.98% 212,388 / 212,431 — —
EdgeEdge
 99.99% 139,884 / 139,895 100.0% 1,440 / 1,440 — 100.0% 4,017 / 4,017 99.0% 691 / 698
FirefoxFirefox
 99.97% 51,727 / 51,740 99.95% 7,317 / 7,321 — 0.0% 0 / 91 98.49% 5,801 / 5,890