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Codec: avc1.64003d

86.12% Encoder Support
1,849,849 of 2,147,922 sessions supported encoding
87.4% Decoder Support
1,832,643 of 2,096,824 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,922 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 861,314 / 866,768 99.63% 100,527 / 100,902 — 96.51% 626,692 / 649,327 95.87% 41,873 / 43,677
SafariSafari
 — 1.49% 719 / 48,190 1.83% 4,008 / 218,612 — —
EdgeEdge
 99.84% 143,206 / 143,434 100.0% 1,451 / 1,451 — 99.1% 4,175 / 4,213 98.67% 669 / 678
FirefoxFirefox
 95.86% 51,335 / 53,550 100.0% 7,492 / 7,492 — 1.89% 2 / 106 98.91% 6,058 / 6,125

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,824 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 843,828 / 844,251 99.62% 96,840 / 97,205 — 99.36% 635,263 / 639,328 97.28% 41,354 / 42,511
SafariSafari
 — 1.56% 732 / 46,793 1.84% 3,917 / 213,040 — —
EdgeEdge
 99.97% 139,389 / 139,431 100.0% 1,405 / 1,405 — 100.0% 4,148 / 4,148 98.8% 660 / 668
FirefoxFirefox
 99.95% 51,724 / 51,749 99.89% 7,275 / 7,283 — 2.04% 2 / 98 98.29% 5,794 / 5,895