Typing & Productivity
Password Strength Checker
Type a password to see length, character-class coverage, and an entropy estimate. The score is a local heuristic, not a guarantee that an account is safe.
How to use Password Strength Checker
Step 1
Start
Open the tool and add your input.
Step 2
Adjust
Review the options and run the action.
Step 3
Get the result
Copy, download, or use the live result.
Password Strength Checker features
- Length and classes
- Entropy estimate
- Improvement hints
Supported Formats / Details
Input formats
- Password
Output formats
- Score
- Entropy
Supported formats
- Password
Frequently Asked Questions
Is a high score unbreakable?
No. Reused or leaked passwords can still fail.
Do you store the password?
The check runs in the page. Do not paste production secrets into public machines.
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