A tool designed for security professionals and individuals committed to robust password practices. Evaluate the strength of your passwords through entropy checks and cost calculations, unveiling their feasibility and vulnerability. Additionally, we conduct thorough checks against a known list of breached passwords, and best of all, it's free!

Password Safety Checker

Your password never leaves this browser
We use the k-anonymity model to send the first 5 characters of the SHA-1 hash of your password to haveibeenpwned.com password API. The method is described on Cloudflare's blog athttps://blog.cloudflare.com/validating-leaked-passwords-with-k-anonymity
Check against a database of known leaks and breaches
Yes, your password is safe
No, your password is Not Safe

Safe Password Generator

Generate Me!
Safe and easy to remember
Not easily crackable
Protection from government level attacks
Requires quantum computer to crack