Brute Force Calculator is an online calculator that can tell you how long your password will last against sustained attack. Just enter the number of characters for your password in each corresponding text box, click submit button and see how strong your password is.
See example calculation for simple 9 letter long password below:
Your password is 9 characters long and has 2,088,270,645,760 combinations. It takes 7.60 hours or 0.32 days to crack your password on computer that tries 137,438,953,472 passwords per hour. This is based on a typical PC processor in 2008 and that the processor is under 10% load.
Features:
- Calculate how long your password will last under sustained brute force attack.
- No email or signup needed.
You might be also interested in another password strength meter tool called Password Meter. And if you find your that your password is too week try using StrongPasswordGenerator to generate stronger passwords.
Update: The application no longer available, as an alternative try www.passwordmeter.com
Check out BruteForceCalculator @ www.hackosis.com/projects/bfcalc/bfcalc.php