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Codec: avc1.640c32

98.71% Encoder Support
316,789 of 320,936 sessions supported encoding
99.94% Decoder Support
269,778 of 269,938 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 320,936 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,151 / 144,197 99.88% 19,675 / 19,699 — 96.32% 61,478 / 63,825 97.63% 7,428 / 7,608
SafariSafari
 — 99.93% 8,568 / 8,574 99.99% 31,393 / 31,396 — —
EdgeEdge
 99.8% 30,989 / 31,050 100.0% 342 / 342 — 98.38% 972 / 988 100.0% 68 / 68
FirefoxFirefox
 95.89% 9,395 / 9,798 100.0% 1,285 / 1,285 — 0.0% 0 / 28 99.14% 1,274 / 1,285

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,938 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,723 / 121,760 99.9% 16,049 / 16,065 — 99.99% 53,840 / 53,845 99.07% 6,366 / 6,426
SafariSafari
 — 99.93% 7,176 / 7,181 99.99% 25,770 / 25,773 — —
EdgeEdge
 100.0% 27,086 / 27,086 100.0% 301 / 301 — 100.0% 903 / 903 100.0% 63 / 63
FirefoxFirefox
 100.0% 8,005 / 8,005 100.0% 1,053 / 1,053 — 0.0% 0 / 20 99.52% 1,047 / 1,052