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Codec: avc1.64041f

86.26% Encoder Support
277,121 of 321,244 sessions supported encoding
99.93% Decoder Support
269,780 of 269,970 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 321,244 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 144,224 / 145,270 99.83% 19,747 / 19,780 — 96.21% 60,909 / 63,309 97.43% 7,437 / 7,633
SafariSafari
 — 1.89% 164 / 8,664 1.56% 488 / 31,187 — —
EdgeEdge
 99.83% 30,754 / 30,807 100.0% 379 / 379 — 97.98% 972 / 992 98.51% 66 / 67
FirefoxFirefox
 95.91% 9,286 / 9,682 100.0% 1,320 / 1,320 — 0.0% 0 / 35 99.0% 1,289 / 1,302

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,970 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 122,447 / 122,488 99.88% 16,040 / 16,060 — 99.98% 53,465 / 53,477 99.07% 6,402 / 6,462
SafariSafari
 — 99.93% 7,312 / 7,317 99.98% 25,563 / 25,568 — —
EdgeEdge
 100.0% 26,789 / 26,789 100.0% 328 / 328 — 100.0% 921 / 921 100.0% 58 / 58
FirefoxFirefox
 99.99% 7,913 / 7,914 100.0% 1,101 / 1,101 — 0.0% 0 / 27 99.24% 1,045 / 1,053