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
Detect proxy environments and WebRTC leaks
Deep probe for local IP exposure under VPN
Evaluate automation features and user behavior
Verify version consistency and engine spoofing
Am I inside an app's WebView?
Measure download, upload, ping and jitter
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 browser fingerprint drifts as you update software, drivers and fonts. See what changes, what stays, and how trackers re-link a drifted fingerprint.
Cloudflare's “checking your browser” page runs API, quirk and proof-of-work tests on top of TLS and IP reputation. Here's why real visitors get stuck in a loop.
What navigator.hardwareConcurrency and navigator.deviceMemory report, how coarse they are, and why they help sites spot an implausible device claim.
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
