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Free Security Tool · Runs in Your Browser

Password Generator

Generate cryptographically secure passwords with custom length and character sets. Live strength analysis and crack-time estimates — nothing leaves your browser.

Cryptographically Secure Strength Meter Crack Time Estimate 100% Browser-Side
c%f#{M(d0499.R5_
Very StrongCrack time: centuries
16
4128

Character Types

Password Tips

  • • Use a unique password for every account — never reuse passwords
  • • Enable two-factor authentication (2FA) on every account that supports it
  • • Store passwords in a password manager (1Password, Bitwarden, or Apple Keychain)
  • • Longer passwords are exponentially harder to crack than complex short ones

What Makes a Password Strong?

Length Matters Most

Every extra character multiplies the number of possible combinations exponentially. A 20-character password is far stronger than a 10-character complex one.

Randomness Over Patterns

Substitutions like @=a or 3=e are well-known to hackers. True randomness — like what this tool generates — is far more resistant to dictionary attacks.

Never Reuse Passwords

When one site is breached, attackers test those credentials everywhere. Unique passwords per account contain the damage to a single service.

Use a Password Manager

You only need to remember one strong master password. A manager like Bitwarden (free) or 1Password generates and stores everything else securely.

Free Password Generator | Silver Fern | Silver Fern