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Passwords & Privacy

Password Strength Checker

Check password strength right in your browser — nothing is transmitted or stored.

Check now
Strength—
At least 12 characters
Contains uppercase letters
Contains lowercase letters
Contains numbers
Contains symbols
No 3+ repeated characters in a row
No obvious sequence (e.g. 1234, abcd)

This assessment is a rough heuristic (length, character variety, obvious patterns) — not a substitute for professional password policy tools.

How it works

1

Enter password

Type your password into the field.

2

Live analysis

Strength is recalculated with every keystroke.

3

Review criteria

See exactly which criteria are met.

Benefits

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Free
✓
No registration
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Local processing
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Nothing is transmitted
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GDPR Friendly

Good to know about this tool

What does this tool do?

Assesses the strength of an entered password based on length, character variety and recognizable patterns.

Why does it exist?

Because weak passwords are one of the most common causes of compromised accounts.

Typical use cases
  • Check a new password before using it
  • Illustrate company-wide password policies
  • Test existing passwords for obvious weaknesses
Best practices & notes
  • Use a unique password for every service
  • Use a password manager instead of memorizing passwords
  • Enable two-factor authentication wherever possible

Frequently Asked Questions

Is my password sent to a server?

No, the entire analysis runs locally in your browser's JavaScript.

Is this assessment 100% accurate?

This assessment is a rough heuristic (length, character variety, obvious patterns) — not a substitute for professional password policy tools.

What should I do if my password is weak?

Use our Password Generator to create a secure, random password.

Disclaimer

The information, templates, scripts, calculations and recommendations provided are intended for educational and assistance purposes only. Always review and test any generated result before production use. IT Smart Service accepts no liability for misuse, data loss, outages, security incidents, or legal, financial or technical damages arising from incorrect or improper use. Responsibility for validation, testing and deployment decisions rests with the user.

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