Password Strength Checker
Estimate how strong a password is, how long it could take to guess, and what to improve. The password never leaves your browser.
Loading the tool
Do not type a password you are currently using on an important account into any website. Test a similar one instead.
How to use Password Strength Checker
- Type a password you are considering.
- Read the estimate and the suggestions.
Privacy and limits
This tool runs in your browser. What you type is processed on your device and is not sent to our server.
Questions
- Is Password Strength Checker free to use?
- Yes. You do not need an account and there is nothing to pay.
- Does it work offline?
- Once the page has loaded, the tool does its work on your device. Some browsers need a connection only to load the page itself.