Free tools to check what your connection gives away.
Free utilities for checking visible connection details, browser signals and password basics. Each tool explains what it checks and whether it contacts another service.
VPN leak test
Compare HTTP and WebRTC addresses, understand the limits of the result, and find the separate DNS-check guide.
Open toolWebRTC leak test
Compare public WebRTC addresses with the IP seen by this website and learn what a mismatch can mean.
Open toolIP address checker
See the public IP address this website receives from your connection.
Open toolBrowser fingerprint test
Inspect browser signals such as screen size, language and GPU. This tool does not measure how unique you are.
Open toolPassword checkup
Review password basics and check a known breach dataset using a partial hash. The password itself stays in your browser.
Open toolPassword generator
Create long, random passwords or memorable passphrases in your browser. Pick the style, length, and copy.
Open toolChoose the next step for your result.
Connection settings, browser protections and password hygiene solve different problems. Follow the guidance for the tool you used.