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Codec: avc1.4d0c32

84.53% Encoder Support
53,280 of 63,030 sessions supported encoding
99.9% Decoder Support
11,932 of 11,944 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,030 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.19% 27,673 / 27,899 99.88% 4,298 / 4,303 97.31% 11,939 / 12,269 98.04% 1,503 / 1,533
SafariSafari
2.02% 33 / 1,637 1.65% 117 / 7,108
EdgeEdge
99.84% 4,887 / 4,895 100.0% 54 / 54 99.05% 104 / 105
FirefoxFirefox
95.51% 2,106 / 2,205 100.0% 265 / 265 98.11% 259 / 264

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,944 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.96% 5,310 / 5,312 99.71% 688 / 690 100.0% 2,259 / 2,259 98.1% 361 / 368
SafariSafari
100.0% 281 / 281 100.0% 1,405 / 1,405
EdgeEdge
100.0% 1,003 / 1,003 100.0% 29 / 29
FirefoxFirefox
100.0% 426 / 426 100.0% 40 / 40 100.0% 49 / 49