Free · private · no sign-up
Practical calculators and checkers that run entirely in your browser. Nothing you enter is stored, logged, or sent anywhere.
Estimate your upfront and monthly costs in under a minute.
Open toolTest how strong your password is — privately, in your browser.
Open toolAnswer 6 quick questions to see your burglary risk — and how to lower it.
Open toolPick your home's weak points and get a camera plan in seconds.
Open toolCreate a strong, unique password in one click.
Open toolCreate a passphrase that's easy to remember and hard to crack.
Open toolMeasure the real strength of any password in bits of entropy.
Open toolEach tool is free to embed on your own site — open a tool and copy the embed snippet at the bottom.
Free assessment · No obligation