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Codec: avc1.42000d

16.4% Encoder Support
52,661 of 321,148 sessions supported encoding
99.93% Decoder Support
269,702 of 269,893 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,148 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 27 / 144,491 0.12% 24 / 19,785 — 0.13% 83 / 63,663 0.65% 50 / 7,676
SafariSafari
 — 99.88% 8,530 / 8,540 99.97% 31,353 / 31,361 — —
EdgeEdge
 0.03% 10 / 31,110 0.0% 0 / 370 — 0.0% 0 / 986 0.0% 0 / 50
FirefoxFirefox
 96.05% 9,274 / 9,655 100.0% 1,301 / 1,301 — 0.0% 0 / 34 98.06% 1,266 / 1,291

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,893 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,831 / 121,874 99.85% 16,060 / 16,084 — 99.99% 53,642 / 53,645 99.04% 6,398 / 6,460
SafariSafari
 — 99.9% 7,172 / 7,179 99.98% 25,734 / 25,738 — —
EdgeEdge
 100.0% 27,154 / 27,155 100.0% 331 / 331 — 100.0% 910 / 910 97.73% 43 / 44
FirefoxFirefox
 99.99% 7,900 / 7,901 100.0% 1,073 / 1,073 — 0.0% 0 / 27 99.24% 1,042 / 1,050