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Password Strength Checker

Check the real-world strength of your password and get an estimated crack time.

Best for:Anyone setting up a new account or evaluating current password security
Privacy-first processingThis tool is completely local. We use the zxcvbn library to calculate offline cracking times without tracking your input.
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Guide

Usage, privacy, and related tools

Best for

  • Anyone setting up a new account or evaluating current password security

Privacy

This tool is completely local. We use the zxcvbn library to calculate offline cracking times without tracking your input.

Quick tips

  • A long phrase of simple words is often stronger and easier to remember than a short string of complex characters.

How to use this tool

  1. Enter the password you want to test.
  2. Observe the estimated offline crack time and the visual score.
  3. Follow any tips provided to make the password stronger.

Common questions

Is my password safe here?

Yes. There is no backend database connected to this tool.

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