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Codec: avc1.641420

86.22% Encoder Support
276,240 of 320,386 sessions supported encoding
99.94% Decoder Support
269,352 of 269,526 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 320,386 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,161 / 144,210 99.87% 19,754 / 19,779 — 96.33% 61,041 / 63,367 97.2% 7,496 / 7,712
SafariSafari
 — 1.95% 167 / 8,565 1.47% 462 / 31,378 — —
EdgeEdge
 99.83% 30,857 / 30,909 100.0% 366 / 366 — 98.31% 933 / 949 100.0% 67 / 67
FirefoxFirefox
 96.01% 9,240 / 9,624 100.0% 1,290 / 1,290 — 0.0% 0 / 32 98.81% 1,326 / 1,342

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,526 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,796 / 121,827 99.9% 16,077 / 16,093 — 99.99% 53,476 / 53,483 98.96% 6,463 / 6,531
SafariSafari
 — 99.94% 7,223 / 7,227 99.99% 25,773 / 25,776 — —
EdgeEdge
 100.0% 26,890 / 26,891 100.0% 322 / 322 — 100.0% 882 / 882 100.0% 59 / 59
FirefoxFirefox
 100.0% 7,848 / 7,848 100.0% 1,075 / 1,075 — 0.0% 0 / 25 98.9% 1,080 / 1,092