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Codec: avc1.4d0420

84.85% Encoder Support
53,299 of 62,817 sessions supported encoding
99.96% Decoder Support
11,848 of 11,853 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,817 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.21% 27,488 / 27,706 99.86% 4,344 / 4,350 97.32% 11,869 / 12,196 98.0% 1,615 / 1,648
SafariSafari
2.37% 38 / 1,605 1.55% 107 / 6,890
EdgeEdge
99.86% 4,938 / 4,945 98.25% 56 / 57 100.0% 102 / 102 100.0% 10 / 10
FirefoxFirefox
95.39% 2,111 / 2,213 100.0% 292 / 292 0.0% 0 / 11 98.98% 290 / 293

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,853 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.98% 5,142 / 5,143 99.85% 686 / 687 100.0% 2,256 / 2,256 99.52% 414 / 416
SafariSafari
100.0% 290 / 290 100.0% 1,383 / 1,383
EdgeEdge
100.0% 1,035 / 1,035 100.0% 27 / 27
FirefoxFirefox
100.0% 414 / 414 100.0% 56 / 56 100.0% 65 / 65