Browser-side utility
Password Strength Estimator
Estimate password entropy and pattern weaknesses locally without transmitting your password.
Strength: Very Weak0 bits · Pool 0
- Enter a password to evaluate locally in your browser.
Privacy guarantee: Evaluation runs strictly in browser memory. Nothing is sent over the network or saved.
How It Works
Type or paste a candidate password to inspect its estimated entropy bits and improvement tips. Input never leaves your device.
Frequently Asked Questions
- Is my password logged or checked against an API?
- Never. Evaluation runs 100% locally in JavaScript and is never saved.