See at a glance how much your browser reveals to websites

All checks run locally in your browser. The server is only used to look up your source IP, and stores no visitor data.

IP Information

Your exit IP and its geo / network ownership.

Checking…

WebRTC Leak

WebRTC can expose your real public IP via STUN without you knowing — a silent leak.

Checking…

GPS Precise Location

Unlike coarse IP geo, GPS is accurate to tens of meters — but only with your permission (the prompt is the protection).

For your privacy, GPS can only be read with your permission. Tap the button to see how precisely this site could locate you.

Browser Fingerprint

Combined, these traits can identify you fairly uniquely — without any cookies.

Checking…

Privacy Check — 浏览器指纹 / IP / WebRTC / GPS 泄露检测