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Codec: avc1.4d0c3c

84.48% Encoder Support
53,162 of 62,925 sessions supported encoding
84.84% Decoder Support
10,012 of 11,801 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,925 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.2% 27,487 / 27,709 99.71% 4,438 / 4,451 — 97.34% 11,808 / 12,131 98.05% 1,558 / 1,589
SafariSafari
 — 2.92% 48 / 1,645 1.42% 101 / 7,102 — —
EdgeEdge
 99.88% 4,924 / 4,930 100.0% 39 / 39 — 100.0% 107 / 107 —
FirefoxFirefox
 94.77% 2,046 / 2,159 100.0% 275 / 275 — 0.0% 0 / 12 98.97% 289 / 292

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,801 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.92% 5,103 / 5,107 100.0% 677 / 677 — 99.73% 2,237 / 2,243 98.54% 405 / 411
SafariSafari
 — 4.22% 13 / 308 1.73% 25 / 1,447 — —
EdgeEdge
 100.0% 1,002 / 1,002 — — 100.0% 30 / 30 —
FirefoxFirefox
 99.75% 404 / 405 100.0% 46 / 46 — — 100.0% 56 / 56