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Codec: avc1.640c34

98.65% Encoder Support
62,188 of 63,039 sessions supported encoding
99.98% Decoder Support
11,750 of 11,752 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 63,039 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.13% 27,433 / 27,673 99.95% 4,347 / 4,349 96.27% 11,781 / 12,238 97.73% 1,595 / 1,632
SafariSafari
100.0% 1,628 / 1,628 100.0% 7,262 / 7,262
EdgeEdge
99.82% 4,913 / 4,922 100.0% 60 / 60 99.05% 104 / 105 100.0% 10 / 10
FirefoxFirefox
95.8% 2,029 / 2,118 100.0% 272 / 272 99.3% 284 / 286

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,752 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.98% 5,145 / 5,146 99.85% 679 / 680 100.0% 2,208 / 2,208 100.0% 389 / 389
SafariSafari
100.0% 243 / 243 100.0% 1,463 / 1,463
EdgeEdge
100.0% 1,015 / 1,015 100.0% 12 / 12 100.0% 32 / 32
FirefoxFirefox
100.0% 396 / 396 100.0% 39 / 39 100.0% 50 / 50