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Codec: avc1.64081f

86.31% Encoder Support
276,479 of 320,336 sessions supported encoding
99.93% Decoder Support
269,146 of 269,342 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,336 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 142,694 / 143,762 99.83% 19,646 / 19,680 — 96.37% 61,689 / 64,011 97.37% 7,528 / 7,731
SafariSafari
 — 2.08% 176 / 8,454 1.45% 453 / 31,188 — —
EdgeEdge
 99.82% 30,675 / 30,730 100.0% 372 / 372 — 98.8% 986 / 998 100.0% 60 / 60
FirefoxFirefox
 96.19% 9,395 / 9,767 100.0% 1,330 / 1,330 — 0.0% 0 / 39 99.13% 1,375 / 1,387

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,342 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,150 / 121,191 99.88% 15,999 / 16,018 — 99.99% 53,944 / 53,949 99.1% 6,520 / 6,579
SafariSafari
 — 99.83% 7,118 / 7,130 99.98% 25,653 / 25,658 — —
EdgeEdge
 99.99% 26,855 / 26,857 100.0% 326 / 326 — 100.0% 927 / 927 100.0% 57 / 57
FirefoxFirefox
 99.97% 7,981 / 7,983 100.0% 1,087 / 1,087 — 0.0% 0 / 28 99.38% 1,124 / 1,131