Browser Tools & Guides
Your browser quietly shares dozens of details with every site you visit. These tools show you exactly what's exposed, and the guides explain how tracking and fingerprinting really work.
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Browser guides
What Is Browser Fingerprinting?Sites can identify you without cookies by combining dozens of browser details into a 'fingerprint'. Here's how it works and how to fight it.What Can Websites See About You?Every site you visit learns more than you might think. Here's exactly what's visible, what isn't, and how to share less.What Are Cookies?Cookies keep you logged in but also track you across the web. Here's the plain-English difference between the good and the creepy kind.What Incognito Mode Really DoesIncognito mode is more limited than most people think. Here's what private browsing actually hides, and what it definitely doesn't.
Frequently asked questions
What does my browser reveal?
Your browser and version, operating system, device, screen size, language and time zone, among other things. The Browser Info tool shows the full list.
Does incognito mode hide me?
Only from your own device's history. Websites still see your IP and browser details. See the incognito guide for what it does and doesn't do.