Privacy Leak Detector

Check what your browser is leaking with a single click

8 / 8 enabled

Network egress check

Server-side probe of real egress IP, geo location, ASN, and TLS fingerprint

Network

WebRTC network check

STUN probe of local / public IP and mDNS candidates

Network

Browser fingerprint

UA, screen, timezone, plugins, CPU, memory and other basic fingerprints

Browser

Canvas fingerprint

Fingerprint from Canvas 2D / WebGL rendering differences

Browser

Audio fingerprint

Fingerprint derived from AudioContext rendering characteristics

Browser

Font detection

Probe installed system fonts via Canvas text width measurement

Browser

DNS check

DoH reachability, DNSSEC, resolver location, and leak heuristics

Network

Automated browser detection

Detects whether the browser is driven by automation tools (Puppeteer, Selenium, headless Chrome, etc.)

Privacy

Overview0 / 8

Critical

Warning

Safe

Click “Run all” in the top right to start. A combined verdict will appear here once the checks finish.