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Codec: avc1.641032

84.26% Encoder Support
52,945 of 62,839 sessions supported encoding
99.94% Decoder Support
11,900 of 11,907 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,839 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.13% 27,340 / 27,581 99.95% 4,218 / 4,220 96.29% 11,626 / 12,074 97.66% 1,583 / 1,621
SafariSafari
2.66% 43 / 1,616 1.65% 117 / 7,112
EdgeEdge
99.84% 5,129 / 5,137 100.0% 50 / 50 96.23% 102 / 106
FirefoxFirefox
94.44% 2,108 / 2,232 100.0% 289 / 289 0.0% 0 / 14 100.0% 293 / 293

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,907 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.96% 5,258 / 5,260 99.84% 635 / 636 100.0% 2,199 / 2,199 99.51% 406 / 408
SafariSafari
100.0% 284 / 284 100.0% 1,395 / 1,395
EdgeEdge
100.0% 1,089 / 1,089 100.0% 31 / 31
FirefoxFirefox
100.0% 401 / 401 100.0% 56 / 56 100.0% 66 / 66