Password strength checker
See how long a password would take to crack and why, from common words to keyboard patterns. The check runs in this tab: the page can’t send your password anywhere.
Runs in your browser. Your files are never uploaded or stored.
Something not working, or missing an option?
How to use Password strength checker
- Type a password.
- Read its score and estimated cracking time.
- Follow the hints to make it stronger.
Questions
Is it safe to type a real password here?
The page is blocked from sending anything, and nothing is stored. Still, the safest habit is to check a similar password, not your exact one.
Are my files uploaded?
No. The tool runs inside your browser, and the page is blocked from sending data anywhere. You can check by turning off your internet connection: it keeps working.
Open-source parts
- zxcvbn-ts MIT