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Browser Test

View your browser fingerprint, device information, and what data your browser reveals to websites.

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Browser & Device Details
Information your browser makes available to websites

What Is Browser Fingerprinting?

Browser fingerprinting is a technique where websites collect information about your browser and device configuration to create a semi-unique identifier. Unlike cookies, which you can delete, a browser fingerprint is based on attributes that are harder to change — like your screen resolution, installed fonts, timezone, and browser version.

What Information Does Your Browser Reveal?

Every time you visit a website, your browser automatically shares a significant amount of information. This includes your user agent string (identifying your browser and OS), screen dimensions, language preferences, timezone, and more. While no single piece of information is identifying on its own, the combination can create a distinctive profile.

Why Does This Matter?

Understanding what your browser reveals helps you make informed decisions about privacy. You can:

  • Use browsers with strong anti-fingerprinting features (like Firefox with strict tracking protection)
  • Adjust browser settings to reduce information leakage
  • Use browser extensions that block or randomize fingerprint data
  • Consider using the Tor Browser for maximum anonymity
📌 Privacy Note

IP Tester detects browser information using standard, non-invasive Web APIs. We do not use canvas fingerprinting, audio fingerprinting, or any covert identification techniques. The information shown is the same data every website you visit can see.

Frequently Asked Questions

Some aspects of your browser fingerprint can be changed by switching browsers, adjusting settings, or using privacy-focused browser extensions. However, changing too many settings at once can actually make your fingerprint more unique.
Not all websites perform fingerprinting, but it's increasingly common among advertising networks and analytics services. Major websites often collect browser information for various purposes including security, analytics, and personalization.

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Written by IP Tester Editorial Team | Last updated: September 9, 2026