Dark Mode Detector

Detect whether your system prefers dark or light mode, plus accessibility settings.

Embed this tool on your site

<iframe src="https://abracalc.com/device/dark-mode-detector/embed.html" width="360" height="340" style="border:1px solid #e4e7ec;border-radius:12px" loading="lazy"></iframe>

How to use this tool

Open this page — it runs instantly in your browser, no signup or install.
Allow any permission prompt if asked; everything stays on your device.
Use the on-screen controls — results update live.

Detect whether your system prefers dark or light mode, plus accessibility settings.