Password Strength Checker

Enter a password and get an entropy score, crack time estimate, and improvement tips.

    Summary

    Enter a password and get an entropy score, crack time estimate, and improvement tips.

    How it works

    1. Type a password in the input field
    2. See the real-time strength score
    3. Read suggestions for improvement
    4. Adjust until the score is strong

    Use cases

    • Evaluating password policies in security audits
    • Teaching developers about entropy requirements
    • Self-checking passwords before account creation

    Frequently Asked Questions

    Last updated: 2026-06-09 · Reviewed by Nham Vu