Privacy check

What every website can see about you

The moment you load a page, your browser hands over a surprising amount of information — most of it without asking. This is a complete, honest list. We don't store any of it on our server; everything you see was computed in your browser just now.

— data points this site can see right now your browser is roughly — unique among visitors
High — identifies you specifically A VPN or privacy browser can hide most of these.
Public IP looking up… Visible to every site, every server, every ad network you load. Fix: use a VPN
Approx. location looking up… City, region, country — derived from your IP. Fix: use a VPN
ISP / carrier looking up… Your network operator and AS number, also derived from IP. Fix: use a VPN
Canvas fingerprint — Sites can render text + shapes to a hidden canvas; the result is unique to your GPU/driver/font setup. Fix: privacy browser
WebGL renderer — Exposes your GPU model and graphics driver. Fix: privacy browser
Audio fingerprint computing… A silent audio test reveals subtle differences in your audio stack — unique to your device. Fix: privacy browser
Medium — combines into a unique fingerprint Individually mild; together they identify you across sites.
Timezone — Confirms your rough geography even if you use a VPN that's mid-VPN-leak. Fix: privacy browser
Languages — Your browser's preferred language list, often distinctive. Fix: privacy browser
User agent — Browser, version, and OS — sent on every single HTTP request. Fix: privacy browser
Screen resolution — Display size + color depth + pixel ratio. Surprisingly distinctive. Fix: hard to fix without breaking sites
CPU threads — Logical processor count. Helps narrow down device type. Fix: privacy browser
Device memory — RAM bucket (Chrome only). Coarse but distinctive in combination. Fix: privacy browser
Low — public preferences and feature flags Mostly mundane. Listed for completeness, not alarm.
Color scheme —Whether you prefer dark or light mode. No fix needed
Reduced motion —Whether you've asked the OS to dial down animations. No fix needed
Touch support —Whether you're on a touch device. No fix needed
Cookies enabled —Just a yes/no. No fix needed
Connection —Rough network category (4g/wifi/etc) — Chrome/Android only. No fix needed
DNT signal —Do-Not-Track header. Almost no sites honor it anymore. No fix needed

What this page does NOT do: we don't send any of these values back to our server. Open your browser's developer tools (Network tab) and reload the page to verify — the only request we make is to /api/lookup, which returns your IP and Cloudflare-edge geolocation. Everything else was computed locally in your browser.

Why each fix is what it is: a VPN hides items derived from your IP — public IP, location, ISP. A privacy browser (Brave, Tor, LibreWolf) adds protections against canvas, WebGL, audio, and font fingerprinting. Most "low" items aren't worth fixing — they're features your browser uses, not unique identifiers.