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Codec: avc1.42000c

16.39% Encoder Support
52,563 of 320,665 sessions supported encoding
99.94% Decoder Support
269,179 of 269,354 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,665 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 35 / 144,221 0.11% 21 / 19,906 — 0.16% 102 / 63,740 0.79% 61 / 7,682
SafariSafari
 — 99.84% 8,596 / 8,610 99.96% 31,106 / 31,120 — —
EdgeEdge
 0.04% 11 / 30,758 0.27% 1 / 374 — 0.0% 0 / 996 0.0% 0 / 59
FirefoxFirefox
 95.67% 9,381 / 9,806 100.0% 1,285 / 1,285 — 0.0% 0 / 30 98.34% 1,245 / 1,266

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,354 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,622 / 121,651 99.86% 16,149 / 16,171 — 99.99% 53,692 / 53,698 98.98% 6,481 / 6,548
SafariSafari
 — 99.92% 7,216 / 7,222 99.99% 25,502 / 25,505 — —
EdgeEdge
 100.0% 26,749 / 26,749 100.0% 328 / 328 — 100.0% 921 / 921 96.23% 51 / 53
FirefoxFirefox
 100.0% 7,996 / 7,996 100.0% 1,061 / 1,061 — 0.0% 0 / 21 99.23% 1,032 / 1,040