Browser Fingerprint Test
See exactly what your browser reveals to websites - passively, with no interaction. Click any row for details and a fix.
Identity & Fingerprint
Signals that uniquely identify your browser across sessions without cookies
Network & Location
What your IP address, ISP, and connection reveal about where you are
Hardware & Display
Device specifications passively exposed to every website you visit
Graphics, Fonts & Media
GPU fingerprint, installed fonts, codec support - all passively readable
Permissions & Integrity
Access grants, clipboard exposure, and bot-detection signals
What is browser fingerprinting?
Browser fingerprinting identifies users by combining technical browser and hardware attributes - without cookies. Canvas rendering, installed fonts, WebGL output, and screen resolution merge into a unique identifier that persists across incognito windows and cookie clears.
Security headers like Permissions-Policy limit which APIs scripts can call on your visitors. Read the full guide →