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Codec: avc1.4d000c

16.32% Encoder Support
52,282 of 320,449 sessions supported encoding
99.93% Decoder Support
268,987 of 269,163 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 320,449 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 15 / 144,313 0.17% 34 / 19,733 — 0.02% 14 / 63,746 0.24% 18 / 7,657
SafariSafari
 — 99.91% 8,528 / 8,536 99.95% 31,067 / 31,084 — —
EdgeEdge
 0.0% 1 / 30,901 0.0% 0 / 334 — 0.0% 0 / 935 0.0% 0 / 67
FirefoxFirefox
 96.01% 9,350 / 9,739 100.0% 1,335 / 1,335 — 0.0% 0 / 36 98.37% 1,268 / 1,289

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,163 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,576 / 121,607 99.88% 16,076 / 16,095 — 99.98% 53,626 / 53,635 98.99% 6,346 / 6,411
SafariSafari
 — 99.96% 7,111 / 7,114 99.97% 25,546 / 25,553 — —
EdgeEdge
 100.0% 26,970 / 26,970 100.0% 291 / 291 — 100.0% 857 / 857 100.0% 61 / 61
FirefoxFirefox
 99.99% 7,985 / 7,986 100.0% 1,122 / 1,122 — 0.0% 0 / 25 99.34% 1,059 / 1,066