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Codec: avc1.640c3c

86.25% Encoder Support
276,812 of 320,924 sessions supported encoding
87.77% Decoder Support
236,650 of 269,638 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,924 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 143,502 / 144,508 99.75% 19,649 / 19,699 — 96.27% 61,218 / 63,592 97.08% 7,518 / 7,744
SafariSafari
 — 2.04% 175 / 8,573 1.5% 469 / 31,297 — —
EdgeEdge
 99.83% 30,744 / 30,797 100.0% 371 / 371 — 98.13% 945 / 963 97.01% 65 / 67
FirefoxFirefox
 96.01% 9,405 / 9,796 100.0% 1,362 / 1,362 — 0.0% 0 / 39 98.57% 1,310 / 1,329

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,638 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,787 / 121,842 99.72% 15,980 / 16,025 — 99.88% 53,509 / 53,575 98.29% 6,445 / 6,557
SafariSafari
 — 2.03% 145 / 7,146 1.47% 379 / 25,709 — —
EdgeEdge
 99.96% 26,821 / 26,832 100.0% 332 / 332 — 100.0% 895 / 895 98.25% 56 / 57
FirefoxFirefox
 99.95% 8,043 / 8,047 99.91% 1,121 / 1,122 — 0.0% 0 / 28 98.99% 1,079 / 1,090