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Codec: avc1.4d0c1e

86.52% Encoder Support
276,859 of 320,002 sessions supported encoding
99.93% Decoder Support
268,915 of 269,113 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,002 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.32% 142,917 / 143,897 99.84% 19,838 / 19,869 — 97.51% 61,733 / 63,312 97.83% 7,649 / 7,819
SafariSafari
 — 2.08% 177 / 8,493 1.41% 442 / 31,302 — —
EdgeEdge
 99.8% 30,714 / 30,776 100.0% 353 / 353 — 99.24% 914 / 921 100.0% 53 / 53
FirefoxFirefox
 96.27% 9,434 / 9,800 100.0% 1,263 / 1,263 — 0.0% 0 / 39 98.84% 1,279 / 1,294

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,113 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,347 / 121,383 99.88% 16,164 / 16,184 — 99.99% 53,510 / 53,516 98.96% 6,587 / 6,656
SafariSafari
 — 99.9% 7,128 / 7,135 99.99% 25,694 / 25,697 — —
EdgeEdge
 100.0% 26,842 / 26,842 100.0% 313 / 313 — 100.0% 841 / 841 100.0% 49 / 49
FirefoxFirefox
 100.0% 7,942 / 7,942 100.0% 1,051 / 1,051 — 0.0% 0 / 26 99.16% 1,058 / 1,067