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Codec: avc1.640c32

98.64% Encoder Support
61,967 of 62,822 sessions supported encoding
99.94% Decoder Support
11,842 of 11,849 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,822 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.14% 27,341 / 27,578 99.93% 4,323 / 4,326 — 96.36% 11,784 / 12,229 97.93% 1,512 / 1,544
SafariSafari
 — 99.94% 1,656 / 1,657 100.0% 7,059 / 7,059 — —
EdgeEdge
 99.86% 4,966 / 4,973 100.0% 52 / 52 — 98.2% 109 / 111 —
FirefoxFirefox
 95.02% 2,116 / 2,227 100.0% 286 / 286 — 0.0% 0 / 10 99.28% 276 / 278

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,849 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,143 / 5,143 99.86% 691 / 692 — 100.0% 2,249 / 2,249 99.17% 359 / 362
SafariSafari
 — 100.0% 268 / 268 100.0% 1,455 / 1,455 — —
EdgeEdge
 100.0% 1,009 / 1,009 100.0% 11 / 11 — 100.0% 26 / 26 —
FirefoxFirefox
 100.0% 434 / 434 100.0% 54 / 54 — — 100.0% 45 / 45