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Codec: avc1.641432

84.46% Encoder Support
53,237 of 63,032 sessions supported encoding
99.97% Decoder Support
11,854 of 11,858 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 63,032 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.16% 27,460 / 27,693 99.91% 4,331 / 4,335 96.3% 11,772 / 12,224 97.64% 1,573 / 1,611
SafariSafari
2.27% 37 / 1,629 1.57% 110 / 6,994
EdgeEdge
99.84% 5,052 / 5,060 100.0% 54 / 54 95.61% 109 / 114
FirefoxFirefox
95.56% 2,132 / 2,231 100.0% 297 / 297 0.0% 0 / 13 98.9% 269 / 272

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,858 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
100.0% 5,277 / 5,277 100.0% 673 / 673 100.0% 2,232 / 2,232 99.23% 386 / 389
SafariSafari
100.0% 281 / 281 100.0% 1,357 / 1,357
EdgeEdge
100.0% 1,003 / 1,003 100.0% 33 / 33
FirefoxFirefox
100.0% 417 / 417 100.0% 44 / 44 100.0% 57 / 57