Sx Hash Suite ((free)) -

Disclaimer: The term "SX Hash Suite" is used here for illustrative purposes. Always ensure you are using the official, legal distribution of any security software and comply with all applicable laws.

Hash Suite (sometimes referred to in specific security contexts as part of an SX Hash Suite

The true power of SX Hash Suite lies in its combined with Markov chain probabilities. Disclaimer: The term "SX Hash Suite" is used

Compatible with MD5, SHA-1, SHA-256, SHA-512, and many others. SX Hash Suite

Instead of trying every combination [a-z][A-Z][0-9] , you can define a mask: ?l?l?l?l?d?d?d?d (4 lowercase letters + 4 digits).