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.
AmIUnique is an academic fingerprinting research site. Learn what its uniqueness result measures, how its dataset skews it, and what it can't tell you.
A site shows the wrong city for your IP? Find which layer is wrong, send provider corrections, publish a geofeed, and know which cases you can't fix.
WebDriver BiDi is the W3C standard that lets Puppeteer and others automate Chrome and Firefox. What it changes for bot detection, and what stays visible.
Common questions about browser fingerprint detection
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BrowserInsight - Free browser fingerprint detection tool to protect your online privacy
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