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Codec: avc1.4d100c

16.46% Encoder Support
52,780 of 320,733 sessions supported encoding
99.94% Decoder Support
269,527 of 269,698 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,733 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 11 / 144,369 0.14% 27 / 19,618 — 0.03% 16 / 63,658 0.3% 23 / 7,772
SafariSafari
 — 99.92% 8,469 / 8,476 99.97% 31,455 / 31,464 — —
EdgeEdge
 0.0% 1 / 30,640 0.27% 1 / 369 — 0.0% 0 / 952 0.0% 0 / 73
FirefoxFirefox
 95.87% 9,364 / 9,767 100.0% 1,387 / 1,387 — 0.0% 0 / 30 97.97% 1,304 / 1,331

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,698 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,930 / 121,964 99.89% 15,859 / 15,876 — 99.98% 53,719 / 53,728 99.11% 6,487 / 6,545
SafariSafari
 — 99.96% 7,119 / 7,122 99.99% 25,784 / 25,787 — —
EdgeEdge
 100.0% 26,748 / 26,748 100.0% 326 / 326 — 100.0% 878 / 878 100.0% 66 / 66
FirefoxFirefox
 99.99% 8,001 / 8,002 100.0% 1,160 / 1,160 — 0.0% 0 / 22 99.35% 1,071 / 1,078