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Codec: avc1.4d1429

84.71% Encoder Support
53,303 of 62,922 sessions supported encoding
99.97% Decoder Support
11,908 of 11,912 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,922 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.2% 27,490 / 27,711 99.93% 4,388 / 4,391 97.2% 11,823 / 12,164 98.21% 1,589 / 1,618
SafariSafari
2.66% 43 / 1,617 1.76% 123 / 7,006
EdgeEdge
99.86% 5,026 / 5,033 100.0% 42 / 42 98.15% 106 / 108
FirefoxFirefox
94.43% 2,053 / 2,174 100.0% 273 / 273 99.68% 308 / 309

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,912 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
100.0% 5,222 / 5,222 100.0% 678 / 678 100.0% 2,242 / 2,242 99.23% 387 / 390
SafariSafari
100.0% 273 / 273 100.0% 1,402 / 1,402
EdgeEdge
100.0% 1,032 / 1,032 100.0% 31 / 31
FirefoxFirefox
100.0% 430 / 430 100.0% 45 / 45 100.0% 75 / 75