Discover what data your browser reveals about you and how unique your digital fingerprint is
100% client-side analysis. No data is sent to any server.
Check what data your browser reveals about you. See your digital fingerprint including WebRTC leaks, canvas fingerprint, and privacy score.
Browser Fingerprint Checker is a free privacy tool that shows you exactly what information your browser reveals to websites. It checks WebRTC leaks, canvas fingerprinting, audio context, installed plugins, and more to give you a comprehensive privacy score.
The tool uses the same fingerprinting techniques that websites use to identify you. It collects browser properties like user agent, screen resolution, installed fonts, WebGL renderer, and canvas data, then calculates a uniqueness/privacy score.
It's a technique websites use to identify users by collecting browser and device characteristics.
You can reduce it with browser extensions, privacy-focused browsers like Brave, or Tor.
Yes, it only reads data that any website can access. No data is stored or shared.