Secure Password Generator

Generate strong, random passwords for user accounts, service accounts, and authentication systems. Customize complexity and character sets.

Password Options

Characters to exclude (like l, I, 1, O, 0)
Minimum number of symbols required

Password Strength

Strong
Length: 16 Entropy: 95.6 bits Charset: 72

Generated Passwords

Click "Generate Passwords" to create secure passwords

About Password Security

A strong password is essential for protecting accounts and sensitive data. Here are key factors that affect password strength:

Password Strength Factors

Factor Impact Recommendation
Length Exponential increase in entropy 12+ characters minimum, 16+ recommended
Character Variety Increases possible combinations Use uppercase, lowercase, numbers, and symbols
Entropy Measure of unpredictability Aim for 60+ bits of entropy
Dictionary Words Vulnerable to dictionary attacks Avoid common words and patterns

Password Strength Estimates

Strength Entropy Time to Crack* Recommendation
Very Weak < 28 bits Instant Never use
Weak 28-35 bits Hours Avoid
Moderate 36-59 bits Days to years Acceptable for low-risk
Strong 60-79 bits Centuries Good for most uses
Very Strong 80+ bits Millions of years Excellent for high-security

Password Best Practices

  • Use unique passwords for every account
  • Consider using a password manager
  • Enable two-factor authentication (2FA) when available
  • Change passwords immediately if a breach is suspected
  • Passphrases (multiple words) can be both secure and memorable

* Based on 2024 cracking capabilities assuming offline attacks. Actual time varies based on attacker resources.