Strong Passwords Need Entropy provides you with a multi-faceted password strength/survivability checker as well as a strong password generator.
Strong Passwords Need Entropy will analyze your selected password and then provide you with statistics about the length, character frequency, symbols, lowercase/uppercase/letters, and digits. Taking this information, it can calculate the password's entropy. A password's entropy equates to the number of trials required to find it as well as the cracking time.
Strong Passwords Need Entropy will be useful not only for those that wish to truly generate unique passwords but also for anyone wanting to double-check their existing passwords.
Strong Passwords Need Entropy Features:
16 rules to be respected when it comes to password policy and security
WPA2 key generator with histogram
Test password dictionary - able to test a list of almost 20,000 passwords
Search passwords from the "worst" list (10,030 passwords)