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Codec: avc1.640c29

98.65% Encoder Support
316,406 of 320,741 sessions supported encoding
99.93% Decoder Support
269,549 of 269,746 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,741 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.22% 142,653 / 143,771 99.8% 19,658 / 19,697 — 96.23% 61,354 / 63,759 97.35% 7,604 / 7,811
SafariSafari
 — 99.94% 8,476 / 8,481 99.99% 31,619 / 31,622 — —
EdgeEdge
 99.78% 30,866 / 30,934 100.0% 369 / 369 — 98.08% 969 / 988 98.63% 72 / 73
FirefoxFirefox
 96.01% 9,360 / 9,749 100.0% 1,355 / 1,355 — 0.0% 0 / 38 99.07% 1,278 / 1,290

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,746 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,352 / 121,384 99.84% 15,922 / 15,948 — 99.98% 53,752 / 53,763 99.0% 6,603 / 6,670
SafariSafari
 — 99.93% 7,115 / 7,120 99.99% 25,994 / 25,997 — —
EdgeEdge
 100.0% 27,000 / 27,000 100.0% 330 / 330 — 100.0% 919 / 919 98.53% 67 / 68
FirefoxFirefox
 100.0% 7,983 / 7,983 100.0% 1,111 / 1,111 — 0.0% 0 / 28 99.33% 1,036 / 1,043