About this tool
The Password Strength Checker analyzes a password against length, character variety and common weaknesses, then gives it a score with clear tips to make it stronger. Everything runs locally in your browser — your password is never sent anywhere. Use it to see whether a password is safe before you rely on it.
How to use
- 1Type a password to test.
- 2Read the strength score and checklist.
- 3Apply the suggestions to strengthen it.
Benefits
- Instant strength score.
- Actionable improvement checklist.
- 100% local — nothing is sent.
Frequently asked questions
Is it safe to type my real password?+
Yes. The check runs only in your browser and your password is never transmitted or stored.
What makes a password strong?+
Length above all, plus a mix of uppercase, lowercase, numbers and symbols, and avoiding common words.