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Codec: avc1.42043d

87.24% Encoder Support
1,872,627 of 2,146,426 sessions supported encoding
87.45% Decoder Support
1,832,317 of 2,095,365 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,426 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.91% 865,619 / 866,438 99.64% 100,483 / 100,845 — 99.25% 644,862 / 649,728 97.25% 42,323 / 43,522
SafariSafari
 — 1.56% 750 / 48,007 1.87% 4,069 / 217,802 — —
EdgeEdge
 99.97% 143,347 / 143,383 99.93% 1,462 / 1,463 — 99.79% 4,241 / 4,250 98.87% 698 / 706
FirefoxFirefox
 95.9% 51,144 / 53,331 99.97% 7,449 / 7,451 — 0.0% 0 / 109 98.79% 5,800 / 5,871

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,365 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 843,482 / 843,885 99.63% 96,797 / 97,155 — 99.37% 635,704 / 639,754 97.31% 41,163 / 42,299
SafariSafari
 — 1.63% 760 / 46,673 1.87% 3,974 / 212,162 — —
EdgeEdge
 99.97% 139,537 / 139,573 99.93% 1,425 / 1,426 — 100.0% 4,170 / 4,170 99.29% 697 / 702
FirefoxFirefox
 99.95% 51,527 / 51,553 99.82% 7,217 / 7,230 — 0.0% 0 / 99 98.34% 5,518 / 5,611