Free ToolNo signup · Runs in browser

Password Strength Checker

Analyze password strength and entropy

Security

How entropy works

Entropy = length × log₂(charset size). 60+ bits is good; 80+ is excellent. Analysis runs entirely in your browser — your password is never sent anywhere.

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Why use DBridge Password Strength?

Fast

Results appear instantly — everything runs in your browser.

Private & Secure

Your data never leaves your device. No account required.

Free Forever

No subscription, no sign-up, no paywalls.

Copy Anywhere

One-click copy for all outputs.

Frequently Asked Questions