Password Strength Checker

Analyze password strength and get tips to improve security. Everything runs locally on your device.
Runs locally No uploads
Password
0 chars
We never send your password to a server.
Strength
Empty
Estimated crack time: -
Checklist
  • At least 12 characters
  • Lowercase letter (a-z)
  • Uppercase letter (A-Z)
  • Number (0-9)
  • Symbol (!@#$...)
Suggestions
  • Type a password to see tips.
Privacy note: analysis happens locally in your browser.

What this password strength checker does

This tool evaluates password length and character variety to give you a quick strength score. The analysis happens in your browser, so your password never leaves your device.

How the score is calculated

We look at length thresholds (8, 12, 16+) and whether your password includes lowercase, uppercase, numbers, and symbols. A longer passphrase with mixed character types typically scores higher.

Tips for stronger passwords

Aim for at least 12 characters, avoid reused patterns, and use a password manager to create unique passwords for every account.

How to check password strength

Type a password to see an instant score and checklist.

  1. Enter or paste your password into the input field.
  2. Review the score and checklist results.
  3. Adjust the password and recheck until it is strong.

FAQ

Does this tool upload my password?
No. Everything runs locally in your browser.
What length is considered strong?
We recommend 12+ characters, or longer for critical accounts.
Do I need symbols?
Symbols help, but length and uniqueness matter most.