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Codec: avc1.641020

86.16% Encoder Support
1,851,696 of 2,149,194 sessions supported encoding
99.8% Decoder Support
2,093,902 of 2,098,000 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,194 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 863,171 / 868,599 99.75% 100,276 / 100,524 — 96.5% 626,838 / 649,589 96.19% 41,979 / 43,644
SafariSafari
 — 1.58% 756 / 47,917 1.82% 3,986 / 218,457 — —
EdgeEdge
 99.85% 143,523 / 143,745 100.0% 1,463 / 1,463 — 98.82% 4,179 / 4,229 98.86% 692 / 700
FirefoxFirefox
 96.02% 51,178 / 53,302 99.99% 7,436 / 7,437 — 0.0% 0 / 112 98.55% 5,913 / 6,000

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,000 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 846,048 / 846,253 99.8% 96,599 / 96,794 — 99.65% 637,257 / 639,497 98.33% 41,739 / 42,450
SafariSafari
 — 99.85% 46,448 / 46,518 99.97% 212,740 / 212,800 — —
EdgeEdge
 99.99% 139,763 / 139,771 100.0% 1,425 / 1,425 — 100.0% 4,150 / 4,150 99.28% 689 / 694
FirefoxFirefox
 99.96% 51,495 / 51,515 99.97% 7,219 / 7,221 — 0.0% 0 / 102 98.21% 5,649 / 5,752