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Codec: avc1.640c34

98.45% Encoder Support
2,114,096 of 2,147,372 sessions supported encoding
99.8% Decoder Support
2,091,900 of 2,096,055 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,372 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 861,641 / 867,039 99.78% 100,255 / 100,478 — 96.51% 626,814 / 649,482 96.26% 42,307 / 43,951
SafariSafari
 — 99.74% 47,899 / 48,023 99.98% 217,974 / 218,024 — —
EdgeEdge
 99.86% 143,552 / 143,760 100.0% 1,484 / 1,484 — 98.35% 4,169 / 4,239 98.66% 662 / 671
FirefoxFirefox
 95.94% 51,126 / 53,291 99.97% 7,370 / 7,372 — 0.83% 1 / 120 98.93% 5,909 / 5,973

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,055 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,317 / 844,508 99.81% 96,626 / 96,809 — 99.64% 637,156 / 639,452 98.29% 41,978 / 42,708
SafariSafari
 — 99.83% 46,552 / 46,633 99.98% 212,155 / 212,205 — —
EdgeEdge
 99.99% 139,844 / 139,853 100.0% 1,436 / 1,436 — 100.0% 4,166 / 4,166 99.1% 658 / 664
FirefoxFirefox
 99.97% 51,555 / 51,569 99.96% 7,136 / 7,139 — 0.9% 1 / 111 98.55% 5,653 / 5,736