What makes a password strong?

Length matters most, then unpredictability. Prefer long unique passphrases with mixed character types, and never reuse passwords across sites.

How can I check password strength?

Type a candidate password above. This tool estimates strength locally and lists concrete improvements.

How long should a secure password be?

Aim for at least 12 characters for most accounts and 16+ for high-value access. Passphrases of multiple words work well when they are unique.

Is a password strength checker safe?

This one evaluates input only in your browser and never sends it to our servers. Still avoid pasting your real primary passwords into any online form when possible.

What is the difference between a strong and weak password?

Weak passwords are short, common, or predictable. Strong passwords are long, unique, and hard to guess or brute-force.

What is Password Strength Checker?

A free browser-based tool that estimates how resistant a password is to guessing and suggests improvements.

How does the Password Strength Checker work?

It scores length, character classes, estimated entropy, and simple anti-patterns such as common passwords—entirely on your device.

How do I use the Password Strength Checker?

Enter a password, review the score and tips, then clear the field. Use Show/Hide if you need to verify typing.

Is this Password Strength Checker free to use?

Yes. It is free with no sign-up.

Can I use the Password Strength Checker on mobile?

Yes. It works in mobile browsers.

Free Password Strength Checker Online, Test Passwords Locally

Free Password Strength Checker Online, Test Passwords Locally | Binary Tech