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Codec: avc1.640c20

98.44% Encoder Support
2,112,604 of 2,146,051 sessions supported encoding
99.8% Decoder Support
2,090,757 of 2,094,901 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,051 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 860,464 / 865,838 99.77% 100,238 / 100,472 — 96.48% 626,159 / 648,982 96.26% 42,235 / 43,874
SafariSafari
 — 99.75% 47,976 / 48,097 99.98% 217,859 / 217,906 — —
EdgeEdge
 99.85% 143,665 / 143,888 100.0% 1,424 / 1,424 — 98.89% 4,177 / 4,224 98.72% 695 / 704
FirefoxFirefox
 95.93% 51,485 / 53,670 100.0% 7,446 / 7,446 — 0.0% 0 / 123 98.64% 5,788 / 5,868

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,094,901 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,135 / 843,334 99.82% 96,604 / 96,782 — 99.64% 636,664 / 638,934 98.3% 41,956 / 42,680
SafariSafari
 — 99.85% 46,659 / 46,727 99.98% 212,336 / 212,383 — —
EdgeEdge
 99.99% 139,889 / 139,902 100.0% 1,379 / 1,379 — 100.0% 4,148 / 4,148 98.86% 693 / 701
FirefoxFirefox
 99.96% 51,835 / 51,857 100.0% 7,219 / 7,219 — 0.0% 0 / 110 98.39% 5,555 / 5,646