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Codec: avc1.4d141e

86.5% Encoder Support
278,030 of 321,422 sessions supported encoding
99.94% Decoder Support
270,069 of 270,233 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,422 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 143,290 / 144,377 99.86% 19,956 / 19,984 — 97.49% 61,985 / 63,582 97.99% 7,732 / 7,891
SafariSafari
 — 2.02% 173 / 8,569 1.52% 476 / 31,346 — —
EdgeEdge
 99.8% 30,978 / 31,041 100.0% 340 / 340 — 98.15% 954 / 972 96.3% 52 / 54
FirefoxFirefox
 95.94% 9,409 / 9,807 100.0% 1,295 / 1,295 — 0.0% 0 / 39 99.39% 1,294 / 1,302

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,233 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,795 / 121,828 99.89% 16,243 / 16,261 — 99.99% 53,698 / 53,704 99.14% 6,595 / 6,652
SafariSafari
 — 99.93% 7,145 / 7,150 99.98% 25,677 / 25,681 — —
EdgeEdge
 100.0% 27,171 / 27,171 100.0% 295 / 295 — 100.0% 899 / 899 97.96% 48 / 49
FirefoxFirefox
 99.99% 7,965 / 7,966 100.0% 1,070 / 1,070 — 0.0% 0 / 23 99.53% 1,062 / 1,067