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Codec: avc1.4d083d

86.51% Encoder Support
276,722 of 319,883 sessions supported encoding
87.79% Decoder Support
236,173 of 269,007 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,883 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 142,790 / 143,861 99.75% 19,567 / 19,616 — 97.49% 61,843 / 63,437 97.64% 7,575 / 7,758
SafariSafari
 — 1.89% 162 / 8,569 1.54% 480 / 31,147 — —
EdgeEdge
 99.77% 31,007 / 31,077 100.0% 352 / 352 — 98.95% 941 / 951 98.39% 61 / 62
FirefoxFirefox
 95.94% 9,354 / 9,750 100.0% 1,261 / 1,261 — 0.0% 0 / 34 98.72% 1,233 / 1,249

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,007 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,423 / 121,479 99.74% 15,968 / 16,010 — 99.83% 53,554 / 53,646 98.46% 6,468 / 6,569
SafariSafari
 — 1.75% 126 / 7,204 1.54% 393 / 25,493 — —
EdgeEdge
 99.97% 26,991 / 26,999 100.0% 306 / 306 — 100.0% 882 / 882 98.21% 55 / 56
FirefoxFirefox
 99.94% 7,928 / 7,933 100.0% 1,032 / 1,032 — 0.0% 0 / 25 99.0% 990 / 1,000