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Codec: avc1.640032

98.69% Encoder Support
317,054 of 321,276 sessions supported encoding
99.94% Decoder Support
269,525 of 269,692 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,276 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,581 / 144,646 99.85% 19,655 / 19,684 — 96.28% 61,550 / 63,927 97.33% 7,441 / 7,645
SafariSafari
 — 99.99% 8,514 / 8,515 99.98% 31,333 / 31,338 — —
EdgeEdge
 99.8% 30,940 / 31,003 100.0% 359 / 359 — 98.32% 994 / 1,011 100.0% 60 / 60
FirefoxFirefox
 96.04% 9,266 / 9,648 100.0% 1,345 / 1,345 — 0.0% 0 / 39 98.75% 1,264 / 1,280

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,692 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,851 / 121,885 99.87% 16,020 / 16,041 — 99.99% 53,900 / 53,906 99.1% 6,404 / 6,462
SafariSafari
 — 99.99% 7,127 / 7,128 99.98% 25,668 / 25,673 — —
EdgeEdge
 100.0% 26,904 / 26,904 100.0% 321 / 321 — 100.0% 935 / 935 100.0% 53 / 53
FirefoxFirefox
 99.99% 7,832 / 7,833 100.0% 1,115 / 1,115 — 0.0% 0 / 26 99.23% 1,037 / 1,045