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Codec: avc1.4d100d

15.56% Encoder Support
334,580 of 2,150,480 sessions supported encoding
99.8% Decoder Support
2,095,305 of 2,099,430 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,480 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 79 / 867,670 0.12% 118 / 100,970 — 0.03% 207 / 650,325 0.37% 163 / 43,558
SafariSafari
 — 99.75% 48,382 / 48,505 99.96% 218,383 / 218,464 — —
EdgeEdge
 0.0% 6 / 144,075 0.0% 0 / 1,447 — 0.0% 0 / 4,189 0.14% 1 / 714
FirefoxFirefox
 95.78% 51,475 / 53,743 99.96% 7,332 / 7,335 — 0.0% 0 / 110 97.84% 5,841 / 5,970

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,430 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,961 / 845,151 99.79% 97,097 / 97,302 — 99.64% 637,989 / 640,309 98.42% 41,695 / 42,364
SafariSafari
 — 99.84% 47,061 / 47,136 99.97% 212,852 / 212,911 — —
EdgeEdge
 99.99% 140,065 / 140,077 100.0% 1,404 / 1,404 — 100.0% 4,105 / 4,105 99.01% 700 / 707
FirefoxFirefox
 99.97% 51,995 / 52,010 99.99% 7,094 / 7,095 — 0.0% 0 / 103 98.71% 5,660 / 5,734