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Codec: avc1.64100b

3.27% Encoder Support
70,260 of 2,150,193 sessions supported encoding
99.81% Decoder Support
2,095,064 of 2,099,092 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 2,150,193 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 70 / 867,237 0.11% 108 / 100,643 — 0.02% 141 / 650,397 0.35% 154 / 43,624
SafariSafari
 — 1.56% 759 / 48,604 1.87% 4,079 / 218,575 — —
EdgeEdge
 0.0% 4 / 143,865 0.0% 0 / 1,431 — 0.0% 0 / 4,231 0.0% 0 / 681
FirefoxFirefox
 95.84% 51,529 / 53,767 99.88% 7,387 / 7,396 — 0.0% 0 / 118 97.98% 5,972 / 6,095

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,092 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,608 / 844,775 99.81% 96,835 / 97,020 — 99.66% 638,295 / 640,504 98.34% 41,732 / 42,435
SafariSafari
 — 99.83% 47,093 / 47,171 99.98% 212,873 / 212,924 — —
EdgeEdge
 99.99% 139,825 / 139,833 100.0% 1,384 / 1,384 — 100.0% 4,146 / 4,146 99.26% 669 / 674
FirefoxFirefox
 99.98% 51,974 / 51,986 99.93% 7,162 / 7,167 — 0.93% 1 / 108 98.55% 5,775 / 5,860