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Codec: avc1.641033

84.52% Encoder Support
53,154 of 62,891 sessions supported encoding
99.94% Decoder Support
11,933 of 11,940 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,891 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 27,260 / 27,466 99.91% 4,369 / 4,373 — 96.45% 11,854 / 12,290 97.96% 1,629 / 1,663
SafariSafari
 — 2.51% 43 / 1,714 1.73% 119 / 6,896 — —
EdgeEdge
 99.82% 5,045 / 5,054 100.0% 44 / 44 — 97.94% 95 / 97 —
FirefoxFirefox
 94.88% 2,059 / 2,170 100.0% 287 / 287 — 0.0% 0 / 12 99.01% 301 / 304

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,940 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,154 / 5,155 99.85% 685 / 686 — 100.0% 2,263 / 2,263 99.29% 421 / 424
SafariSafari
 — 100.0% 280 / 280 100.0% 1,439 / 1,439 — —
EdgeEdge
 100.0% 1,040 / 1,040 100.0% 10 / 10 — 100.0% 31 / 31 —
FirefoxFirefox
 100.0% 405 / 405 100.0% 53 / 53 — — 100.0% 59 / 59