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Codec: avc1.42001f

99.7% Encoder Support
320,473 of 321,429 sessions supported encoding
99.94% Decoder Support
270,130 of 270,305 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,429 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.83% 144,041 / 144,293 99.88% 19,943 / 19,966 — 99.79% 63,857 / 63,993 98.9% 7,747 / 7,833
SafariSafari
 — 99.94% 8,450 / 8,455 100.0% 31,155 / 31,156 — —
EdgeEdge
 100.0% 31,158 / 31,159 100.0% 360 / 360 — 99.3% 995 / 1,002 100.0% 53 / 53
FirefoxFirefox
 96.0% 9,322 / 9,710 100.0% 1,360 / 1,360 — 0.0% 0 / 28 98.88% 1,237 / 1,251

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,305 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,808 / 121,845 99.86% 16,178 / 16,200 — 99.99% 54,113 / 54,121 99.04% 6,583 / 6,647
SafariSafari
 — 99.94% 7,071 / 7,075 100.0% 25,564 / 25,565 — —
EdgeEdge
 100.0% 27,085 / 27,085 100.0% 326 / 326 — 100.0% 927 / 927 100.0% 50 / 50
FirefoxFirefox
 100.0% 7,900 / 7,900 100.0% 1,122 / 1,122 — 0.0% 0 / 20 99.22% 1,012 / 1,020