Strong Password Generator & Security Analyzer
Create unbreakable, cryptographically secure random passwords, memorable Diceware passphrases, and PIN codes locally using the browser's Web Crypto API. Includes real-time Shannon entropy rating, estimated brute-force crack time, custom character filters, and batch generation. Zero server logging.
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How to Generate Strong Passwords in 3 Steps
Choose Password Type
Select between Random Characters, Memorable Passphrase, or Numeric PIN.
Customize Rules & Length
Adjust the length slider (up to 64 chars) and toggle uppercase, lowercase, numbers, and symbols.
Copy or Download Batch
Check your security rating and copy your new password or download a batch list.
Frequently Asked Questions
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