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Codec: avc1.640416

86.14% Encoder Support
1,850,924 of 2,148,684 sessions supported encoding
99.81% Decoder Support
2,093,382 of 2,097,450 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.2
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,684 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 862,318 / 867,755 99.76% 100,155 / 100,397 — 96.52% 626,236 / 648,797 96.18% 42,422 / 44,107
SafariSafari
 — 1.52% 733 / 48,368 1.83% 3,999 / 218,514 — —
EdgeEdge
 99.83% 143,915 / 144,153 99.93% 1,447 / 1,448 — 98.99% 4,131 / 4,173 98.74% 625 / 633
FirefoxFirefox
 96.02% 51,414 / 53,545 99.95% 7,324 / 7,328 — 0.84% 1 / 119 98.9% 5,843 / 5,908

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,450 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,806 / 845,006 99.8% 96,614 / 96,811 — 99.66% 636,753 / 638,955 98.34% 42,175 / 42,889
SafariSafari
 — 99.82% 46,858 / 46,942 99.98% 212,791 / 212,843 — —
EdgeEdge
 100.0% 140,210 / 140,217 100.0% 1,406 / 1,406 — 100.0% 4,112 / 4,112 99.04% 622 / 628
FirefoxFirefox
 99.97% 51,724 / 51,740 99.93% 7,077 / 7,082 — 0.88% 1 / 113 98.7% 5,612 / 5,686