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Codec: avc1.4d083d

86.41% Encoder Support
1,856,952 of 2,148,881 sessions supported encoding
87.44% Decoder Support
1,834,409 of 2,098,004 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,881 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 862,490 / 867,768 99.64% 100,521 / 100,880 — 97.35% 631,823 / 649,042 96.28% 42,294 / 43,928
SafariSafari
 — 1.51% 724 / 47,827 1.85% 4,052 / 218,630 — —
EdgeEdge
 99.85% 143,676 / 143,896 100.0% 1,468 / 1,468 — 99.39% 4,103 / 4,128 98.66% 663 / 672
FirefoxFirefox
 95.87% 51,588 / 53,811 99.99% 7,374 / 7,375 — 0.0% 0 / 128 98.8% 5,828 / 5,899

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,004 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 845,005 / 845,386 99.64% 96,928 / 97,274 — 99.38% 635,260 / 639,251 97.38% 41,621 / 42,739
SafariSafari
 — 1.58% 733 / 46,462 1.86% 3,965 / 212,976 — —
EdgeEdge
 99.98% 139,788 / 139,818 100.0% 1,422 / 1,422 — 100.0% 4,059 / 4,059 98.8% 658 / 666
FirefoxFirefox
 99.95% 51,970 / 51,994 99.85% 7,135 / 7,146 — 0.0% 0 / 119 98.27% 5,551 / 5,649