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Codec: avc1.640833

84.48% Encoder Support
53,359 of 63,159 sessions supported encoding
99.9% Decoder Support
11,919 of 11,931 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 63,159 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.15% 27,574 / 27,809 99.96% 4,462 / 4,464 96.18% 11,823 / 12,292 97.47% 1,581 / 1,622
SafariSafari
2.27% 37 / 1,631 1.7% 119 / 6,999
EdgeEdge
99.84% 4,901 / 4,909 97.73% 43 / 44 96.61% 114 / 118 90.0% 9 / 10
FirefoxFirefox
95.18% 2,073 / 2,178 100.0% 291 / 291 0.0% 0 / 11 99.31% 289 / 291

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,931 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.92% 5,217 / 5,221 99.86% 727 / 728 100.0% 2,226 / 2,226 99.28% 413 / 416
SafariSafari
100.0% 254 / 254 100.0% 1,407 / 1,407
EdgeEdge
100.0% 1,047 / 1,047 100.0% 39 / 39
FirefoxFirefox
100.0% 409 / 409 100.0% 43 / 43 100.0% 53 / 53