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Codec: avc1.42083d

87.27% Encoder Support
279,762 of 320,560 sessions supported encoding
87.85% Decoder Support
236,606 of 269,341 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,560 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.81% 143,770 / 144,047 99.77% 19,623 / 19,669 — 99.69% 63,323 / 63,517 98.33% 7,667 / 7,797
SafariSafari
 — 1.87% 158 / 8,471 1.47% 457 / 31,166 — —
EdgeEdge
 99.98% 31,315 / 31,321 99.73% 365 / 366 — 99.69% 978 / 981 98.46% 64 / 65
FirefoxFirefox
 96.09% 9,351 / 9,732 100.0% 1,316 / 1,316 — 0.0% 0 / 29 98.98% 1,266 / 1,279

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,341 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,485 / 121,542 99.74% 15,967 / 16,008 — 99.87% 53,574 / 53,643 98.35% 6,456 / 6,564
SafariSafari
 — 1.82% 128 / 7,032 1.44% 369 / 25,578 — —
EdgeEdge
 99.98% 27,251 / 27,257 100.0% 326 / 326 — 100.0% 893 / 893 98.31% 58 / 59
FirefoxFirefox
 99.95% 7,913 / 7,917 99.82% 1,089 / 1,091 — 0.0% 0 / 19 99.03% 1,021 / 1,031