FREEPassword estimator
Password strength estimator
Browser-local feedback on length and common patterns.
Free educational tools
Explore the signals. Understand the limits.
Use these small tools to practise reasoning. They do not certify that an account, message, device or network is safe.
FREEPhishing text checker
Rule-based phishing text checker
No AI or external scanning claim; no message is sent.
FREEIP geolocation
IP geolocation and ISP lookup
An explicit lookup uses a third-party provider; accuracy varies.
FREESecurity self-assessment
Security habits self-assessment
A self-reported checklist, not a technical scan.
Understand the signals and their limits. No security guarantee, certification or account progress is implied.