The Password Meter
This application is designed to assess the strength of password strings
6 Alternatives To The Password Meter
How Secure Is My Password?
A tool for assessing your password strength
LeakBase
Check if your account credentials have been leaked.
LeakCheck
Data breach search engine, low price starting from $10/mo, one email address for free, unlimited API, 7B+ entries
Leakwatch
We keep an eye on the web to detect your data leaks in real time and enable you to take actions…
Password Checkup
Password Checkup helps you resecure accounts that were affected by data breaches.
keepassxc-pwned
Check your keepassxc database against previously breached haveibeenpwned passwords