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Codec: avc1.640415

3.91% Encoder Support
12,526 of 320,064 sessions supported encoding
99.93% Decoder Support
268,937 of 269,115 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 320,064 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 20 / 144,185 0.12% 23 / 19,610 — 0.01% 4 / 63,310 0.31% 24 / 7,838
SafariSafari
 — 1.9% 161 / 8,492 1.45% 453 / 31,331 — —
EdgeEdge
 0.01% 2 / 30,871 0.0% 0 / 371 — 0.0% 0 / 954 0.0% 0 / 66
FirefoxFirefox
 96.08% 9,277 / 9,655 100.0% 1,256 / 1,256 — 0.0% 0 / 28 98.39% 1,281 / 1,302

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,115 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,847 / 121,885 99.89% 15,992 / 16,010 — 99.98% 53,283 / 53,292 99.11% 6,575 / 6,634
SafariSafari
 — 99.92% 7,138 / 7,144 99.98% 25,604 / 25,608 — —
EdgeEdge
 100.0% 26,858 / 26,859 100.0% 331 / 331 — 100.0% 886 / 886 98.31% 58 / 59
FirefoxFirefox
 100.0% 7,912 / 7,912 100.0% 1,028 / 1,028 — 0.0% 0 / 20 99.34% 1,060 / 1,067