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Codec: avc1.4d0033

98.8% Encoder Support
61,970 of 62,725 sessions supported encoding
99.89% Decoder Support
11,908 of 11,921 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,725 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.07% 27,469 / 27,726 99.95% 4,337 / 4,339 — 97.34% 11,819 / 12,142 98.09% 1,593 / 1,624
SafariSafari
 — 100.0% 1,603 / 1,603 100.0% 6,945 / 6,945 — —
EdgeEdge
 99.8% 4,975 / 4,985 100.0% 52 / 52 — 99.09% 109 / 110 100.0% 11 / 11
FirefoxFirefox
 94.56% 1,981 / 2,095 100.0% 298 / 298 — 0.0% 0 / 11 99.64% 279 / 280

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,921 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.9% 5,200 / 5,205 100.0% 681 / 681 — 100.0% 2,302 / 2,302 98.27% 398 / 405
SafariSafari
 — 100.0% 256 / 256 100.0% 1,430 / 1,430 — —
EdgeEdge
 100.0% 1,032 / 1,032 — — 100.0% 30 / 30 —
FirefoxFirefox
 100.0% 383 / 383 100.0% 47 / 47 — — 100.0% 50 / 50