Browser Leak Test

Discover what personal information your browser is revealing to websites. Test for tracking, fingerprinting, and privacy leaks instantly.

Your Privacy Score
-
Run test to see your privacy score
Click "Run Privacy Test" to analyze your browser's privacy settings

Quick Privacy Tips

  • Use browser extensions like uBlock Origin or Privacy Badger
  • Regularly clear cookies and browsing data
  • Consider using privacy-focused browsers (Firefox, Brave)
  • Use private/incognito mode for sensitive browsing
Privacy Recommendations
  • Use Privacy-Focused Browsers
    Consider switching to browsers with strong privacy protections like Firefox, Brave, or Tor Browser. These browsers block trackers by default and offer enhanced privacy features.
  • Install Privacy Extensions
    Use browser extensions like uBlock Origin (ad blocker), Privacy Badger (tracker blocker), and HTTPS Everywhere. These tools significantly reduce tracking and fingerprinting.
  • Manage Cookies & Site Data
    Regularly clear cookies and site data, or use your browser's private/incognito mode. Consider blocking third-party cookies in your browser settings.

Browser Leak Test - Discover What Your Browser Reveals About You

Our free Browser Leak Test helps you understand what personal information your web browser is revealing to websites. In today's digital world, browsers can leak dozens of data points that can be used to track you, fingerprint your device, and compromise your privacy.

What is Browser Fingerprinting?

Browser fingerprinting is a tracking technique that collects multiple pieces of information from your browser to create a unique "fingerprint" of your device. Unlike cookies that can be cleared, browser fingerprints are difficult to change because they're based on your browser configuration, installed fonts, screen resolution, plugins, and other settings.

What Information Can Websites Collect?

How Our Browser Leak Test Works

Our tool runs a series of non-invasive tests to see what information your browser is willing to share. All tests run locally in your browser - no data is sent to our servers. The results show you exactly what websites can learn about you and provides a privacy score based on how much information is being revealed.

Key Tests Performed

Frequently Asked Questions

Is this test safe to run?

Yes! All tests run completely locally in your browser. We don't collect or store any of your information. The tool only shows you what information websites could potentially collect if you visited them.

What's the difference between cookies and fingerprinting?

Cookies are small files websites store on your computer that can be easily cleared. Fingerprinting collects multiple pieces of information from your browser configuration to create a unique identifier that's much harder to change or reset.

How can I improve my privacy score?

Use privacy-focused browsers (Firefox, Brave), install privacy extensions (uBlock Origin, Privacy Badger), disable unnecessary plugins, use private browsing mode, and consider using a VPN to mask your IP address.

What is canvas fingerprinting?

Canvas fingerprinting is a technique where websites use the HTML5 canvas element to draw hidden images and text. The way your browser renders these images creates a unique pattern that can be used to identify your device.

Can websites see my exact location?

Websites can see your approximate location from your IP address (usually accurate to city level). With permission, they can access your precise GPS location. Our test checks what location information is available without asking for permission.

What does "Do Not Track" actually do?

Do Not Track is a browser setting that sends a request to websites not to track you. However, it's not legally enforced, so websites can choose to ignore it. It's more of a privacy preference statement than an actual technical block.