Password strength checker
See how strong a password really is and how long it would take to crack, without sending it anywhere.
- Checked on your device
- Never sent anywhere
- Free, no account
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Real checks
Spots common words, names, dates, keyboard patterns and letter swaps like p@ssw0rd.
Crack time
See estimates for login guessing and for stolen databases.
Tips
Get clear suggestions to make it stronger.
Questions
Is it safe to type my real password here?
Yes. It is checked entirely on your device and never sent anywhere. Even so, it is a good idea to change any password you are worried about.
Why is Summer2024! weak?
It follows a very common pattern: a word, a year and a symbol. Attackers try these first.
Is anything uploaded?
No. Everything happens in your browser, on your device. Nothing you add or type is sent to this website or anywhere else.