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Codec: avc1.641434

84.4% Encoder Support
52,953 of 62,740 sessions supported encoding
99.93% Decoder Support
11,903 of 11,911 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,740 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.09% 27,418 / 27,671 99.91% 4,371 / 4,375 96.11% 11,699 / 12,173 97.5% 1,521 / 1,560
SafariSafari
1.6% 26 / 1,623 1.47% 102 / 6,938
EdgeEdge
99.78% 4,922 / 4,933 100.0% 47 / 47 96.91% 94 / 97 100.0% 11 / 11
FirefoxFirefox
95.01% 2,131 / 2,243 100.0% 294 / 294 0.0% 0 / 10 98.26% 282 / 287

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,911 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.96% 5,198 / 5,200 99.85% 687 / 688 100.0% 2,264 / 2,264 99.23% 389 / 392
SafariSafari
100.0% 279 / 279 100.0% 1,430 / 1,430
EdgeEdge
100.0% 1,040 / 1,040 100.0% 25 / 25
FirefoxFirefox
100.0% 399 / 399 100.0% 47 / 47 100.0% 60 / 60