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Codec: avc1.4d100b

18.68% Encoder Support
11,758 of 62,930 sessions supported encoding
99.94% Decoder Support
11,991 of 11,998 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 62,930 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 7 / 27,611 0.16% 7 / 4,314 — 0.04% 5 / 12,348 0.26% 4 / 1,568
SafariSafari
 — 99.94% 1,684 / 1,685 99.99% 6,929 / 6,930 — —
EdgeEdge
 0.0% 0 / 5,056 0.0% 0 / 55 — 0.0% 0 / 95 —
FirefoxFirefox
 95.6% 2,063 / 2,158 100.0% 309 / 309 — — 98.7% 304 / 308

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,998 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,265 / 5,267 99.86% 693 / 694 — 100.0% 2,272 / 2,272 99.27% 406 / 409
SafariSafari
 — 100.0% 274 / 274 100.0% 1,397 / 1,397 — —
EdgeEdge
 100.0% 1,054 / 1,054 — — 100.0% 29 / 29 —
FirefoxFirefox
 100.0% 400 / 400 100.0% 48 / 48 — — 100.0% 66 / 66