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Codec: avc1.640c3d

86.14% Encoder Support
277,087 of 321,666 sessions supported encoding
87.65% Decoder Support
236,833 of 270,215 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,666 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.29% 143,200 / 144,226 99.81% 19,716 / 19,754 — 96.29% 61,373 / 63,735 97.22% 7,597 / 7,814
SafariSafari
 — 1.98% 172 / 8,665 1.51% 477 / 31,621 — —
EdgeEdge
 99.83% 30,940 / 30,994 100.0% 357 / 357 — 97.52% 983 / 1,008 100.0% 54 / 54
FirefoxFirefox
 95.93% 9,454 / 9,855 100.0% 1,353 / 1,353 — 0.0% 0 / 41 98.95% 1,321 / 1,335

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,215 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,765 / 121,819 99.81% 15,980 / 16,011 — 99.86% 53,558 / 53,631 98.2% 6,507 / 6,626
SafariSafari
 — 1.95% 142 / 7,277 1.53% 399 / 25,998 — —
EdgeEdge
 99.99% 26,896 / 26,900 100.0% 320 / 320 — 100.0% 929 / 929 100.0% 50 / 50
FirefoxFirefox
 99.91% 8,023 / 8,030 100.0% 1,109 / 1,109 — 0.0% 0 / 32 99.27% 1,091 / 1,099