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Codec: avc1.640834

86.23% Encoder Support
277,028 of 321,275 sessions supported encoding
99.93% Decoder Support
269,477 of 269,674 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 321,275 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 143,204 / 144,284 99.85% 19,978 / 20,009 — 96.31% 61,040 / 63,377 97.23% 7,615 / 7,832
SafariSafari
 — 2.01% 174 / 8,663 1.48% 463 / 31,314 — —
EdgeEdge
 99.77% 31,041 / 31,113 100.0% 382 / 382 — 98.57% 963 / 977 98.36% 60 / 61
FirefoxFirefox
 96.03% 9,437 / 9,827 100.0% 1,296 / 1,296 — 0.0% 0 / 37 98.92% 1,284 / 1,298

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,674 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,496 / 121,522 99.86% 16,198 / 16,220 — 99.98% 53,430 / 53,441 98.88% 6,538 / 6,612
SafariSafari
 — 99.96% 7,246 / 7,249 99.99% 25,695 / 25,698 — —
EdgeEdge
 100.0% 27,098 / 27,099 100.0% 344 / 344 — 100.0% 904 / 904 100.0% 53 / 53
FirefoxFirefox
 99.98% 8,016 / 8,018 100.0% 1,067 / 1,067 — 0.0% 0 / 30 99.34% 1,051 / 1,058