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Codec: avc1.640429

86.19% Encoder Support
276,103 of 320,335 sessions supported encoding
99.93% Decoder Support
268,977 of 269,162 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 320,335 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 142,869 / 143,941 99.88% 19,817 / 19,840 — 96.36% 61,145 / 63,454 97.3% 7,540 / 7,749
SafariSafari
 — 1.92% 165 / 8,603 1.54% 483 / 31,451 — —
EdgeEdge
 99.81% 30,709 / 30,768 100.0% 377 / 377 — 98.08% 870 / 887 98.39% 61 / 62
FirefoxFirefox
 96.29% 9,392 / 9,754 100.0% 1,290 / 1,290 — 0.0% 0 / 34 98.53% 1,277 / 1,296

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,162 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,510 / 121,537 99.91% 16,063 / 16,077 — 99.99% 53,447 / 53,453 98.89% 6,505 / 6,578
SafariSafari
 — 99.96% 7,206 / 7,209 99.98% 25,740 / 25,745 — —
EdgeEdge
 100.0% 26,830 / 26,831 100.0% 330 / 330 — 100.0% 812 / 812 98.11% 52 / 53
FirefoxFirefox
 100.0% 7,998 / 7,998 100.0% 1,039 / 1,039 — 0.0% 0 / 28 98.97% 1,053 / 1,064