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Codec: avc1.4d080b

3.27% Encoder Support
70,351 of 2,148,792 sessions supported encoding
99.8% Decoder Support
2,093,985 of 2,098,085 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,792 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 77 / 867,168 0.13% 127 / 100,964 — 0.03% 181 / 649,954 0.33% 145 / 43,813
SafariSafari
 — 1.53% 738 / 48,357 1.86% 4,046 / 218,014 — —
EdgeEdge
 0.0% 4 / 143,131 0.0% 0 / 1,508 — 0.0% 0 / 4,214 0.29% 2 / 688
FirefoxFirefox
 95.93% 51,696 / 53,887 99.97% 7,385 / 7,387 — 0.0% 0 / 111 97.91% 5,891 / 6,017

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,085 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 / 844,804 99.82% 97,085 / 97,260 — 99.64% 637,886 / 640,164 98.32% 41,866 / 42,580
SafariSafari
 — 99.83% 46,924 / 47,003 99.98% 212,460 / 212,507 — —
EdgeEdge
 99.99% 139,209 / 139,221 100.0% 1,473 / 1,473 — 100.0% 4,134 / 4,134 99.56% 678 / 681
FirefoxFirefox
 99.95% 52,067 / 52,093 99.97% 7,132 / 7,134 — 2.02% 2 / 99 98.6% 5,696 / 5,777