Password strength checker
How long would it take to guess your password? (nothing is sent)
How it works
The estimate looks at length and character types, assuming 10 billion guesses per second. Dictionary words and dates are weaker than the number suggests.
Results are for guidance only and do not replace professional advice.
Worked example
With the default values:
- Password to testSoleil2026!
you get:
- Time to crack9,029 years
- Entropy72 bits
- Length11
- TipAdd at least 12 characters, avoid years
Frequently asked questions
How does the “Password strength checker” tool work?
The estimate looks at length and character types, assuming 10 billion guesses per second. Dictionary words and dates are weaker than the number suggests.
What do I need to enter?
Just fill in: password to test. The result updates as you type.
Can you give an example?
Password to test: Soleil2026! → Time to crack: 9,029 years; Entropy: 72 bits.
Is this calculator free, and is my data private?
Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.