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Codec: avc1.64140c

3.24% Encoder Support
69,695 of 2,148,018 sessions supported encoding
99.8% Decoder Support
2,092,439 of 2,096,605 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,018 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 70 / 865,290 0.12% 121 / 100,999 — 0.02% 142 / 650,770 0.33% 146 / 43,885
SafariSafari
 — 1.46% 707 / 48,304 1.8% 3,921 / 218,391 — —
EdgeEdge
 0.0% 4 / 143,575 0.07% 1 / 1,517 — 0.0% 0 / 4,218 0.15% 1 / 669
FirefoxFirefox
 95.94% 51,387 / 53,559 99.87% 7,424 / 7,434 — 0.0% 0 / 108 98.01% 5,718 / 5,834

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,605 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 842,321 / 842,523 99.79% 97,170 / 97,372 — 99.64% 638,580 / 640,875 98.31% 41,997 / 42,718
SafariSafari
 — 99.84% 46,821 / 46,896 99.98% 212,651 / 212,701 — —
EdgeEdge
 99.99% 139,527 / 139,538 100.0% 1,478 / 1,478 — 100.0% 4,132 / 4,132 99.25% 661 / 666
FirefoxFirefox
 99.97% 51,749 / 51,764 99.94% 7,183 / 7,187 — 0.0% 0 / 97 98.45% 5,518 / 5,605