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🔐 Password Generator

Generate strong, secure passwords with cryptographically secure randomness.

All passwords are generated locally in your browser. Nothing is sent to any server.

Password Options

8 128

Passphrase Generator

Generate memorable passphrases using random words (Diceware-style).

3 10

Password Strength Reference

Entropy Levels

  • Weak: < 40 bits
  • Fair: 40-59 bits
  • Good: 60-79 bits
  • Strong: 80-99 bits
  • Very Strong: 100+ bits

Best Practices

  • Use unique passwords for each account
  • Aim for 80+ bits of entropy
  • Use a password manager
  • Enable 2FA when available
  • Avoid personal information

Character Sets

  • Uppercase: 26 characters
  • Lowercase: 26 characters
  • Numbers: 10 characters
  • Symbols: 32 characters
  • All combined: 94 characters

Passphrase Benefits

  • Easier to remember
  • High entropy with fewer characters
  • Resistant to dictionary attacks
  • 4 random words = ~51 bits
  • 6 random words = ~77 bits