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Codec: avc1.4d0c28

86.47% Encoder Support
1,856,671 of 2,147,098 sessions supported encoding
99.8% Decoder Support
2,092,213 of 2,096,310 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,098 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 863,434 / 868,706 99.76% 100,648 / 100,886 — 97.37% 630,376 / 647,419 96.59% 42,295 / 43,786
SafariSafari
 — 1.53% 733 / 47,771 1.9% 4,146 / 217,827 — —
EdgeEdge
 99.86% 143,535 / 143,741 100.0% 1,487 / 1,487 — 99.19% 4,174 / 4,208 98.71% 690 / 699
FirefoxFirefox
 95.95% 51,469 / 53,640 100.0% 7,350 / 7,350 — 0.0% 0 / 108 98.76% 5,975 / 6,050

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,310 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 846,047 / 846,244 99.81% 96,979 / 97,165 — 99.65% 635,333 / 637,576 98.31% 41,851 / 42,572
SafariSafari
 — 99.85% 46,354 / 46,423 99.98% 212,270 / 212,321 — —
EdgeEdge
 99.99% 139,771 / 139,780 100.0% 1,453 / 1,453 — 100.0% 4,128 / 4,128 98.99% 687 / 694
FirefoxFirefox
 99.97% 51,899 / 51,917 99.99% 7,124 / 7,125 — 0.0% 0 / 103 98.45% 5,701 / 5,791