Password Strength Checker
Test how strong a password is.
About Password Strength Checker
Test how strong a password is. Password Strength Checker runs in your browser — nothing is uploaded, and it's free to use as often as you like.
How to use Password Strength Checker
- 1
Enter or configure the input for password strength checker.
- 2
The output is generated instantly — no waiting.
- 3
Copy or download the result and use it wherever you need.
When to use it
- Everyday utilities for developers, marketers, and students.
- Quick one-off tasks without installing an app.
- Sharing information (QR codes, links, credentials) safely.
Frequently asked questions
- Is Password Strength Checker free to use?
- Yes — Password Strength Checker is completely free with no sign-up, no watermarks, and no hidden limits.
- Does Password Strength Checker work on mobile?
- Yes. UltraTools.bar is fully responsive and works on phones, tablets, and desktops.
- Is my data private?
- Yes. Password Strength Checker runs directly in your browser — your files and data are never uploaded to a server.