Password Generator & Breach Checker

Generate cryptographically secure passwords, check if they've been leaked in data breaches, and calculate entropy strength.

Click Generate

Strength: — 0 bits entropy

Time to crack: —

Length16

Uppercase (A-Z) Lowercase (a-z) Digits (0-9) Symbols (!@#$...)

Click Generate

Number of Words5

Separator

Capitalize first letter Add random number

Check if a password has appeared in known data breaches using the Have I Been Pwned API. Only the first 5 characters of the SHA-1 hash are sent (k-Anonymity) — your full password is never transmitted.

Password Generator & Breach Checker

How to Use PasswordVault

Frequently Asked Questions