Password Strength Checker
Test how secure your password is against cracking attempts.
Privacy Guarantee
Your data never leaves your device. All processing happens locally in your browser using secure WebAssembly and HTML5 APIs. We do not store, keylog, or transmit your input.
Why Use Our Tool?
Detailed Analysis
Get instant feedback on password length, complexity, and variety.
Privacyl First
We never store or send your passwords anywhere. Calculation is 100% offline.
Improve Security
Learn what makes a password strong and how to improve yours.
How to Use
Type Password
Enter a password in the secure input field.
View Score
Watch the strength meter update in real-time.
Improve
Follow the checklist to reach 'Strong' status.
Frequently Asked Questions
Do you save the passwords I type?
No, never. The checking logic runs entirely in your browser using JavaScript. No data leaves your device.
What makes a password strong?
A mix of uppercase letters, lowercase letters, numbers, symbols, and a length of at least 12 characters.