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Codec: avc1.4d0c28

84.85% Encoder Support
53,103 of 62,587 sessions supported encoding
99.95% Decoder Support
11,817 of 11,823 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,587 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.21% 27,405 / 27,622 99.91% 4,406 / 4,410 97.56% 11,764 / 12,058 97.91% 1,593 / 1,627
SafariSafari
2.2% 36 / 1,636 1.68% 116 / 6,907
EdgeEdge
99.74% 4,992 / 5,005 100.0% 43 / 43 99.05% 104 / 105
FirefoxFirefox
96.14% 2,016 / 2,097 100.0% 275 / 275 99.37% 314 / 316

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,823 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
100.0% 5,162 / 5,162 99.85% 688 / 689 100.0% 2,215 / 2,215 99.03% 409 / 413
SafariSafari
100.0% 293 / 293 100.0% 1,418 / 1,418
EdgeEdge
100.0% 1,044 / 1,044 100.0% 25 / 25
FirefoxFirefox
100.0% 374 / 374 100.0% 50 / 50 100.0% 57 / 57