Free Password Strength Checker and Generator

Test how strong your passwords are and create uncrackable ones instantly.

Everything runs in your browser. Nothing is saved or sent anywhere.

How strong is your password?

Type any password below to see your strength score, estimated crack time, and tips to improve it.

🔐 Enter a password above to see your results
Password strength
⏱ Estimated time to crack:

💡 How to make it stronger

Generate an uncrackable password

Customize the options below and click the refresh button to regenerate. Copy it with one click.

Length 20
Uppercase (A-Z)
Lowercase (a-z)
Numbers (0-9)
Symbols (!@#$%)
Very strong

Do not try to memorize this. Copy it and store it in a password manager like Bitwarden (free) or 1Password. A password manager remembers every password for you automatically.

🔒 This tool runs entirely in your browser. Nothing is saved, stored, or sent anywhere.

What Makes a Password Strong?

  • At least 12 characters long. Longer is always better.

  • A mix of uppercase letters, lowercase letters, numbers, and symbols.

  • no real words, names, birthdays, or anything personal

  • Never use on multiple accounts. Every account needs its own unique password

  • Random is better than memorable. Use our generator to create one you couldn't guess yourself.

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