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Codec: avc1.4d0c3d

84.44% Encoder Support
53,195 of 62,997 sessions supported encoding
85.11% Decoder Support
10,140 of 11,914 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,997 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.12% 27,468 / 27,712 99.86% 4,345 / 4,351 97.32% 11,743 / 12,066 97.84% 1,495 / 1,528
SafariSafari
2.02% 32 / 1,584 1.68% 121 / 7,192
EdgeEdge
99.94% 5,115 / 5,118 100.0% 54 / 54 98.94% 93 / 94 100.0% 10 / 10
FirefoxFirefox
95.08% 2,085 / 2,193 100.0% 290 / 290 0.0% 0 / 10 99.35% 305 / 307

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,914 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.98% 5,172 / 5,173 99.85% 663 / 664 99.51% 2,227 / 2,238 99.23% 385 / 388
SafariSafari
2.58% 7 / 271 1.86% 27 / 1,448
EdgeEdge
100.0% 1,077 / 1,077 100.0% 29 / 29
FirefoxFirefox
100.0% 422 / 422 100.0% 49 / 49 100.0% 64 / 64