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Codec: avc1.64001f

98.45% Encoder Support
2,115,143 of 2,148,496 sessions supported encoding
99.8% Decoder Support
2,093,459 of 2,097,642 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,496 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 861,727 / 867,123 99.75% 99,802 / 100,057 — 96.5% 627,432 / 650,160 96.25% 42,290 / 43,936
SafariSafari
 — 99.76% 48,174 / 48,289 99.98% 218,678 / 218,719 — —
EdgeEdge
 99.84% 143,477 / 143,705 100.0% 1,432 / 1,432 — 99.02% 4,154 / 4,195 99.12% 675 / 681
FirefoxFirefox
 95.96% 51,061 / 53,210 99.95% 7,269 / 7,273 — 0.0% 0 / 117 98.77% 6,016 / 6,091

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,642 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 844,476 / 844,691 99.79% 96,214 / 96,416 — 99.64% 638,062 / 640,336 98.32% 42,013 / 42,733
SafariSafari
 — 99.83% 46,846 / 46,924 99.98% 213,063 / 213,103 — —
EdgeEdge
 99.99% 139,729 / 139,738 100.0% 1,387 / 1,387 — 100.0% 4,112 / 4,112 99.41% 673 / 677
FirefoxFirefox
 99.97% 51,426 / 51,441 99.94% 7,051 / 7,055 — 0.0% 0 / 109 98.39% 5,744 / 5,838