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Codec: avc1.64001f

98.66% Encoder Support
316,351 of 320,634 sessions supported encoding
99.93% Decoder Support
269,579 of 269,781 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 320,634 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,095 / 144,146 99.79% 19,400 / 19,441 — 96.25% 61,376 / 63,768 97.15% 7,527 / 7,748
SafariSafari
 — 99.93% 8,609 / 8,615 99.98% 31,402 / 31,407 — —
EdgeEdge
 99.77% 30,840 / 30,910 100.0% 358 / 358 — 97.92% 987 / 1,008 98.25% 56 / 57
FirefoxFirefox
 95.85% 9,313 / 9,716 100.0% 1,278 / 1,278 — 0.0% 0 / 25 98.72% 1,315 / 1,332

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,781 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,677 / 121,714 99.8% 15,768 / 15,800 — 99.98% 53,935 / 53,944 98.79% 6,466 / 6,545
SafariSafari
 — 99.92% 7,244 / 7,250 99.98% 25,787 / 25,791 — —
EdgeEdge
 100.0% 26,942 / 26,943 100.0% 313 / 313 — 100.0% 925 / 925 100.0% 53 / 53
FirefoxFirefox
 100.0% 7,947 / 7,947 100.0% 1,060 / 1,060 — 0.0% 0 / 17 99.26% 1,072 / 1,080