My device
Screen size, browser, language, time zone, and dark mode reported by this tab, plus a button to show the IP address of this request. Nothing is saved.
Address for this request
The address appears here after you ask.
Browser-reported screen size, CSS pixels
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Window size, CSS pixels
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Device pixel ratio
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Estimate of device pixels
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Zoom and OS scaling change the ratio, so this is not a measurement of the panel.
Browser
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Version
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Platform the browser reported
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User-Agent
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First language
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Language list
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Time zone the browser reported
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Offset from UTC right now
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Color scheme the browser prefers
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Motion the browser prefers
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How to read this
This page lists what the tab can already see. Each reading has its own page, including the language, the time zone, and whether dark mode is on.
What leaves this tab
Screen, browser, language, time zone, color scheme, and user agent are read in this tab and are not uploaded. The IP address is requested from this site only after you click, then shown here and not stored.
FAQ
What can this tab see without a click?
The screen size, the browser name, the user-agent string, the language, the time zone, and the color scheme. The IP address waits for the button.
What does this column refuse to read?
No city, no WebRTC connection, no canvas, fonts, GPU, or battery, and no fingerprint hash.
Is anything saved?
No. The readings stay in this tab. The IP response is not written to a database.
Why does the IP address wait for a click?
The address is requested only when you ask, and it is not stored.
How do the pages differ?
Each page explains one reading. This page only summarizes them and links across.