See how strong a password really is, how long it would take to crack, and how to make it stronger.
🔒 Your password is checked on your device and never sent anywhere.
How to use the password strength checker
- Type a password.
- See its strength and estimated crack time.
- Follow the tips, or generate a stronger one.
What makes a password strong?
Length matters most. A random 14+ character password or a 4-5 word passphrase is far stronger than a short password with a few symbols. Never reuse a password across sites.
Frequently asked questions
Is it safe to type my password here?
Yes – it is analysed only in your browser.
How is crack time estimated?
From the password's entropy, assuming an offline attack at 10 billion guesses per second.
Should I use a password manager?
Yes – it lets you use a unique, strong password everywhere.