What websites see about you? All-in-one fingerprint checker to help you evaluate your browser privacy.
Professional online monitoring services for multi-account security, security professionals, and privacy-conscious users
Learn about browser fingerprinting technology and protect your online privacy
Browser fingerprinting is a technique that identifies users by collecting browser and device characteristics. When you visit websites, your browser automatically exposes a wealth of information, including:
Research shows that by combining this information, over 99% of internet users can be uniquely identified. This means your browser fingerprint is as unique as a real-world fingerprint.
Detect Your Browser Fingerprint NowGuides on browser fingerprinting, privacy, and network diagnostics.
A public web page can quietly probe 127.0.0.1 and your router, timing the replies to map what's running on your network. Here's what stops it now.
Your device often has both an IPv4 and an IPv6 address. Here's how a website ends up seeing one or the other — and why it can differ visit to visit.
A frozen User-Agent string can lie about your browser version. Here's how feature-detection probes bracket your real engine milestone instead.
Common questions about browser fingerprint detection
Share BrowserInsight with friends to help more people protect their online privacy
BrowserInsight - Free browser fingerprint detection tool to protect your online privacy
browserinsight.net
