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Codec: avc1.64141f

86.25% Encoder Support
276,439 of 320,498 sessions supported encoding
99.94% Decoder Support
269,530 of 269,690 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 320,498 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,201 / 144,249 99.91% 19,478 / 19,496 — 96.27% 61,137 / 63,505 97.35% 7,506 / 7,710
SafariSafari
 — 2.08% 179 / 8,589 1.53% 480 / 31,340 — —
EdgeEdge
 99.83% 30,984 / 31,036 100.0% 361 / 361 — 98.3% 924 / 940 98.08% 51 / 52
FirefoxFirefox
 96.46% 9,479 / 9,827 100.0% 1,270 / 1,270 — 0.0% 0 / 29 98.94% 1,310 / 1,324

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,690 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,778 / 121,808 99.93% 15,827 / 15,838 — 99.98% 53,655 / 53,664 99.23% 6,482 / 6,532
SafariSafari
 — 99.86% 7,188 / 7,198 99.98% 25,813 / 25,817 — —
EdgeEdge
 100.0% 27,047 / 27,047 100.0% 314 / 314 — 100.0% 872 / 872 97.87% 46 / 47
FirefoxFirefox
 100.0% 8,049 / 8,049 100.0% 1,052 / 1,052 — 0.0% 0 / 22 98.97% 1,052 / 1,063