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Codec: avc1.640c15

16.46% Encoder Support
52,811 of 320,886 sessions supported encoding
99.94% Decoder Support
269,442 of 269,606 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,886 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 23 / 143,973 0.09% 18 / 19,784 — 0.01% 6 / 63,787 0.27% 21 / 7,693
SafariSafari
 — 99.88% 8,635 / 8,645 99.96% 31,344 / 31,356 — —
EdgeEdge
 0.0% 0 / 30,892 0.0% 0 / 379 — 0.0% 0 / 998 0.0% 0 / 64
FirefoxFirefox
 95.93% 9,392 / 9,790 99.93% 1,345 / 1,346 — 0.0% 0 / 34 98.37% 1,330 / 1,352

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,606 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,400 / 121,433 99.88% 16,066 / 16,086 — 99.99% 53,832 / 53,839 99.22% 6,454 / 6,505
SafariSafari
 — 99.93% 7,223 / 7,228 99.98% 25,740 / 25,745 — —
EdgeEdge
 100.0% 26,896 / 26,896 100.0% 341 / 341 — 100.0% 920 / 920 100.0% 57 / 57
FirefoxFirefox
 100.0% 7,942 / 7,942 100.0% 1,106 / 1,106 — 0.0% 0 / 26 99.55% 1,108 / 1,113