MD5 hash encoding means...
The process of converting a string of any length to a 128-bit hash value can be simply called MD5 hash encoding.
The MD5 hash is commonly used to encrypt short strings such as passwords and credit card numbers.
read more on WIKIPEDIA
SEOCoreTools' Online Md5 Generator does just that for you.
How to use it?
> Enter the string in the box,
> Solve the reCAPTCHA and,
> Click on the green "Submit" button.
