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Codec: avc1.4d0832

84.64% Encoder Support
53,319 of 62,996 sessions supported encoding
99.91% Decoder Support
11,877 of 11,888 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,996 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.12% 27,477 / 27,722 99.91% 4,361 / 4,365 — 97.15% 11,915 / 12,264 97.75% 1,564 / 1,600
SafariSafari
 — 2.43% 38 / 1,567 1.31% 92 / 7,019 — —
EdgeEdge
 99.82% 4,968 / 4,977 100.0% 48 / 48 — 99.09% 109 / 110 92.31% 12 / 13
FirefoxFirefox
 95.1% 2,136 / 2,246 100.0% 256 / 256 — 0.0% 0 / 14 99.33% 297 / 299

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,888 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,186 / 5,188 100.0% 701 / 701 — 100.0% 2,189 / 2,189 98.16% 374 / 381
SafariSafari
 — 100.0% 270 / 270 100.0% 1,465 / 1,465 — —
EdgeEdge
 100.0% 1,024 / 1,024 — — 100.0% 31 / 31 —
FirefoxFirefox
 100.0% 427 / 427 100.0% 54 / 54 — — 100.0% 62 / 62