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Codec: avc1.42082a

87.28% Encoder Support
279,000 of 319,658 sessions supported encoding
99.94% Decoder Support
268,624 of 268,797 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,658 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.83% 143,282 / 143,520 99.95% 19,625 / 19,634 — 99.77% 63,664 / 63,811 98.83% 7,672 / 7,763
SafariSafari
 — 1.82% 158 / 8,660 1.45% 449 / 31,055 — —
EdgeEdge
 100.0% 30,953 / 30,953 100.0% 335 / 335 — 99.57% 935 / 939 98.04% 50 / 51
FirefoxFirefox
 96.26% 9,196 / 9,553 100.0% 1,335 / 1,335 — 0.0% 0 / 33 99.21% 1,254 / 1,264

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,797 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,141 / 121,180 99.94% 16,028 / 16,037 — 99.98% 53,869 / 53,881 99.08% 6,469 / 6,529
SafariSafari
 — 99.92% 7,255 / 7,261 99.99% 25,429 / 25,431 — —
EdgeEdge
 100.0% 26,960 / 26,960 100.0% 302 / 302 — 100.0% 865 / 865 97.92% 47 / 48
FirefoxFirefox
 99.99% 7,786 / 7,787 100.0% 1,081 / 1,081 — 0.0% 0 / 22 99.52% 1,037 / 1,042