🔒 Security & Misc

Password Strength Checker

Test how strong a password is — all in your browser.

About the Password Strength Checker

Test how strong a password is — all in your browser. It runs entirely in your browser — nothing is uploaded to a server, so it is fast and private. Just use it and go.

How to use the Password Strength Checker

  1. Enter or paste your input into the tool above.
  2. Adjust any options to fit what you need.
  3. Copy or download the result.

Frequently asked questions

Is the Password Strength Checker free?

Yes. This tool is completely free to use, with no sign-up required.

Is my data safe?

Everything runs locally in your browser. Your input never leaves your device.

Related tools

QR Code Generator

Generate a downloadable QR code from any link or text.

Random Number Generator

Generate random numbers in any range, with a unique option.

Password Generator

Create strong, random passwords with custom length and character sets.

Screen Resolution Checker

See your screen resolution, viewport size, pixel ratio, and color depth.