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Codec: avc1.4d0433

86.44% Encoder Support
1,856,687 of 2,147,932 sessions supported encoding
99.8% Decoder Support
2,092,743 of 2,096,885 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,932 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 861,834 / 867,057 99.76% 100,532 / 100,773 — 97.37% 632,726 / 649,824 96.55% 42,124 / 43,630
SafariSafari
 — 1.49% 713 / 47,831 1.82% 3,972 / 218,255 — —
EdgeEdge
 99.85% 143,435 / 143,649 99.93% 1,486 / 1,487 — 99.24% 4,283 / 4,316 98.4% 677 / 688
FirefoxFirefox
 95.93% 51,234 / 53,409 99.96% 7,420 / 7,423 — 0.0% 0 / 109 98.61% 5,897 / 5,980

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,885 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,459 / 844,651 99.81% 96,870 / 97,058 — 99.64% 637,515 / 639,807 98.26% 41,715 / 42,455
SafariSafari
 — 99.83% 46,373 / 46,454 99.98% 212,661 / 212,708 — —
EdgeEdge
 99.99% 139,629 / 139,638 100.0% 1,450 / 1,450 — 100.0% 4,238 / 4,238 98.98% 677 / 684
FirefoxFirefox
 99.97% 51,631 / 51,645 99.93% 7,188 / 7,193 — 0.0% 0 / 94 98.26% 5,642 / 5,742