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Codec: avc1.640420

84.2% Encoder Support
52,972 of 62,909 sessions supported encoding
99.92% Decoder Support
11,866 of 11,875 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,909 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.2% 27,483 / 27,705 99.88% 4,325 / 4,330 96.0% 11,567 / 12,049 97.95% 1,576 / 1,609
SafariSafari
1.88% 31 / 1,653 1.79% 127 / 7,102
EdgeEdge
99.78% 5,011 / 5,022 100.0% 48 / 48 96.69% 117 / 121
FirefoxFirefox
95.28% 2,101 / 2,205 100.0% 257 / 257 0.0% 0 / 13 98.59% 280 / 284

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,875 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.96% 5,212 / 5,214 99.71% 697 / 699 100.0% 2,212 / 2,212 99.24% 394 / 397
SafariSafari
100.0% 253 / 253 100.0% 1,463 / 1,463
EdgeEdge
100.0% 987 / 987 100.0% 39 / 39
FirefoxFirefox
100.0% 424 / 424 100.0% 43 / 43 100.0% 55 / 55