Password Generator

Create secure passwords for accounts, services, and testing.

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Generated Password

About Password Security

Why Strong Passwords Matter

A strong password is your first line of defense against account takeovers, data breaches, and identity theft. With modern computing power, weak passwords can be cracked in minutes. NIST (National Institute of Standards and Technology) recommends passwords of at least 12-16 characters with a mix of character types.

Password Requirements

  • Length: Minimum 12-16 characters (longer = exponentially harder to crack)
  • Complexity: Mix of uppercase, lowercase, numbers, and symbols
  • Randomness: Avoid dictionary words, birthdays, or sequential patterns
  • Uniqueness: Use different passwords for different accounts
  • Entropy: Higher randomness = stronger security

Real-World Use Cases

  • Account Creation: Generate passwords for new social media, email, and banking accounts
  • Application Testing: Create test user accounts with secure passwords
  • API Keys: Generate random tokens for API authentication
  • System Administration: Create temporary admin passwords that expire
  • Security Audits: Test password strength in security assessments

Password Strength Estimation

  • Weak: 8 characters, only letters (crackedinstantaneously)
  • Fair: 12 characters, mixed case, numbers (days to crack)
  • Strong: 16 characters, all types, symbols (centuries to crack)
  • Very Strong: 20+ characters, random, high entropy (impossible to crack)