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Codec: avc1.4d0829

86.63% Encoder Support
277,575 of 320,429 sessions supported encoding
99.93% Decoder Support
269,434 of 269,614 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,429 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 143,104 / 144,112 99.86% 19,765 / 19,792 — 97.63% 62,256 / 63,769 98.2% 7,585 / 7,724
SafariSafari
 — 1.83% 157 / 8,559 1.56% 486 / 31,086 — —
EdgeEdge
 99.79% 30,795 / 30,861 99.72% 350 / 351 — 99.27% 952 / 959 100.0% 71 / 71
FirefoxFirefox
 96.33% 9,355 / 9,711 100.0% 1,331 / 1,331 — 0.0% 0 / 32 98.84% 1,277 / 1,292

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,614 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,662 / 121,698 99.89% 16,079 / 16,097 — 99.98% 53,870 / 53,883 99.23% 6,459 / 6,509
SafariSafari
 — 99.96% 7,189 / 7,192 99.98% 25,537 / 25,543 — —
EdgeEdge
 100.0% 26,855 / 26,855 100.0% 317 / 317 — 100.0% 873 / 873 100.0% 66 / 66
FirefoxFirefox
 99.99% 7,980 / 7,981 100.0% 1,097 / 1,097 — 0.0% 0 / 25 99.34% 1,059 / 1,066