← Back to Codec Support Table

Codec: avc1.4d140a

3.27% Encoder Support
70,328 of 2,149,413 sessions supported encoding
99.8% Decoder Support
2,094,494 of 2,098,626 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,413 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 91 / 866,988 0.1% 103 / 100,701 — 0.03% 194 / 650,044 0.39% 169 / 43,812
SafariSafari
 — 1.48% 716 / 48,307 1.86% 4,064 / 218,514 — —
EdgeEdge
 0.0% 6 / 143,876 0.0% 0 / 1,442 — 0.0% 0 / 4,198 0.14% 1 / 692
FirefoxFirefox
 95.88% 51,560 / 53,778 99.89% 7,376 / 7,384 — 0.0% 0 / 132 97.95% 5,986 / 6,111

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,626 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,474 / 844,672 99.82% 96,770 / 96,947 — 99.65% 637,891 / 640,140 98.21% 41,871 / 42,632
SafariSafari
 — 99.85% 46,849 / 46,919 99.98% 212,849 / 212,893 — —
EdgeEdge
 99.99% 139,937 / 139,946 100.0% 1,409 / 1,409 — 100.0% 4,122 / 4,122 99.56% 681 / 684
FirefoxFirefox
 99.98% 52,037 / 52,049 99.93% 7,155 / 7,160 — 1.59% 2 / 126 98.59% 5,799 / 5,882