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Codec: avc1.64101f

86.35% Encoder Support
276,818 of 320,575 sessions supported encoding
99.93% Decoder Support
269,518 of 269,695 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 320,575 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.23% 143,415 / 144,533 99.84% 19,755 / 19,786 — 96.28% 61,335 / 63,708 97.22% 7,583 / 7,800
SafariSafari
 — 1.92% 165 / 8,596 1.5% 464 / 30,840 — —
EdgeEdge
 99.82% 30,692 / 30,747 100.0% 376 / 376 — 98.1% 928 / 946 100.0% 56 / 56
FirefoxFirefox
 95.85% 9,304 / 9,707 100.0% 1,358 / 1,358 — 0.0% 0 / 31 98.92% 1,285 / 1,299

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,695 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,958 / 121,997 99.89% 16,106 / 16,124 — 99.99% 53,825 / 53,831 99.04% 6,576 / 6,640
SafariSafari
 — 99.97% 7,197 / 7,199 99.99% 25,244 / 25,247 — —
EdgeEdge
 100.0% 26,831 / 26,831 100.0% 339 / 339 — 100.0% 875 / 875 100.0% 51 / 51
FirefoxFirefox
 100.0% 7,988 / 7,988 100.0% 1,108 / 1,108 — 0.0% 0 / 25 99.34% 1,050 / 1,057