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Codec: avc1.4d141f

84.83% Encoder Support
53,383 of 62,928 sessions supported encoding
99.97% Decoder Support
11,862 of 11,866 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,928 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.22% 27,469 / 27,685 99.8% 4,435 / 4,444 97.57% 11,948 / 12,246 97.79% 1,550 / 1,585
SafariSafari
2.68% 43 / 1,605 1.61% 112 / 6,976
EdgeEdge
99.74% 4,939 / 4,952 98.18% 54 / 55 99.04% 103 / 104
FirefoxFirefox
95.73% 2,084 / 2,177 100.0% 310 / 310 99.65% 288 / 289

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,866 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.96% 5,122 / 5,124 99.71% 677 / 679 100.0% 2,277 / 2,277 100.0% 376 / 376
SafariSafari
100.0% 265 / 265 100.0% 1,441 / 1,441
EdgeEdge
100.0% 1,035 / 1,035 100.0% 10 / 10 100.0% 33 / 33
FirefoxFirefox
100.0% 411 / 411 100.0% 55 / 55 100.0% 65 / 65