Password Strength Checker
Utility ToolsSee how strong your password really is
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History
All history →Password Strength Checker — at a glance
Check how strong a password is, with an entropy estimate, a rough time-to-crack and clear tips.
How to use it — step by step
A password to test.
Paste your input
Paste or type your content into the big input box. Try a sample if you want to see it work.
Choose options
Pick the mode and options that fit what you need.
Check strength
Press the button. The result is created instantly on your device.
Copy the result
Check the output and press Copy to use it anywhere.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Is it safe to type my password here?+
The check runs only in your browser and nothing is uploaded. Still, avoid testing your real important passwords on any website — test a similar one instead.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.