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Codec: avc1.640820

86.15% Encoder Support
1,848,889 of 2,146,129 sessions supported encoding
99.8% Decoder Support
2,091,070 of 2,095,166 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 2,146,129 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 859,962 / 865,369 99.76% 100,490 / 100,735 — 96.51% 627,167 / 649,842 96.33% 41,941 / 43,540
SafariSafari
 — 1.62% 780 / 48,212 1.87% 4,087 / 218,192 — —
EdgeEdge
 99.85% 143,077 / 143,297 99.93% 1,446 / 1,447 — 98.69% 4,229 / 4,285 98.52% 667 / 677
FirefoxFirefox
 95.98% 51,432 / 53,584 99.95% 7,380 / 7,384 — 1.52% 2 / 132 98.76% 5,896 / 5,970

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,166 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 842,777 / 842,959 99.79% 96,865 / 97,064 — 99.65% 637,637 / 639,873 98.3% 41,648 / 42,367
SafariSafari
 — 99.82% 46,748 / 46,831 99.97% 212,505 / 212,561 — —
EdgeEdge
 99.99% 139,354 / 139,361 100.0% 1,406 / 1,406 — 100.0% 4,205 / 4,205 98.96% 663 / 670
FirefoxFirefox
 99.96% 51,801 / 51,822 99.93% 7,150 / 7,155 — 1.67% 2 / 120 98.53% 5,637 / 5,721