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Codec: avc1.4d082a

86.52% Encoder Support
277,912 of 321,217 sessions supported encoding
99.93% Decoder Support
269,601 of 269,778 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,217 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.29% 143,426 / 144,456 99.89% 19,842 / 19,863 — 97.54% 62,184 / 63,751 97.84% 7,537 / 7,703
SafariSafari
 — 1.98% 169 / 8,550 1.38% 431 / 31,345 — —
EdgeEdge
 99.8% 30,934 / 30,995 100.0% 356 / 356 — 98.74% 942 / 954 98.0% 49 / 50
FirefoxFirefox
 95.92% 9,319 / 9,715 100.0% 1,359 / 1,359 — 0.0% 0 / 31 98.91% 1,267 / 1,281

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,778 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,906 / 121,938 99.89% 16,139 / 16,157 — 99.99% 53,548 / 53,555 99.03% 6,447 / 6,510
SafariSafari
 — 99.92% 7,167 / 7,173 99.99% 25,715 / 25,717 — —
EdgeEdge
 100.0% 26,972 / 26,973 100.0% 315 / 315 — 100.0% 883 / 883 100.0% 43 / 43
FirefoxFirefox
 99.99% 7,927 / 7,928 100.0% 1,105 / 1,105 — 0.0% 0 / 25 99.62% 1,041 / 1,045