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Codec: avc1.640c0b

15.58% Encoder Support
334,890 of 2,149,215 sessions supported encoding
99.81% Decoder Support
2,093,972 of 2,098,055 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,215 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 81 / 867,934 0.1% 98 / 100,308 — 0.02% 114 / 648,879 0.34% 149 / 43,747
SafariSafari
 — 99.75% 48,160 / 48,280 99.96% 218,858 / 218,935 — —
EdgeEdge
 0.0% 7 / 143,918 0.07% 1 / 1,477 — 0.0% 0 / 4,319 0.57% 4 / 696
FirefoxFirefox
 95.82% 51,408 / 53,651 99.89% 7,475 / 7,483 — 0.0% 0 / 118 98.02% 5,890 / 6,009

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,055 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,192 / 845,377 99.79% 96,445 / 96,652 — 99.66% 636,666 / 638,868 98.29% 41,851 / 42,581
SafariSafari
 — 99.84% 46,827 / 46,900 99.97% 213,220 / 213,274 — —
EdgeEdge
 99.99% 139,983 / 139,990 100.0% 1,429 / 1,429 — 100.0% 4,244 / 4,244 99.42% 689 / 693
FirefoxFirefox
 99.97% 51,895 / 51,912 99.93% 7,251 / 7,256 — 0.0% 0 / 108 98.31% 5,648 / 5,745