Free security tools
Small, plain-English tools you can use in a minute. No signup. Pick the one you need.
Tools
Domain security scan
See how your domain looks to an attacker, graded A to F.
Checks email setup, DNS, website security headers, TLS and visible software versions. Public information only.
Password strength checker
Find out how long a password would take to crack.
Shows a strength rating, crack-time estimates and what makes it weak. Runs in your browser, so nothing is sent or stored.
Password leak check
Find out if a password has appeared in a data breach.
Only a short piece of a one-way fingerprint is sent, never the password itself.
How these tools treat your data
- We never receive, store or log a password.
- Results are estimates and public lookups. A clear result does not prove you are safe.