the md5 in this site is fake md5

MD5 is one of the ways of encrypting passwords and making them secure than leaving them plain. MD5 is of bit 32.

MD5 password scrambler used to be secure but now is no longer secure.

Unfortunately, md5 encryption can NEVER decrypted, that is the whole point of it!

MD5 check sum is unique for a file content and is used to check the integrity of the file content. If file is to be transferred using network, recipient can calculate the MD5 hash and check it with the MD5 check sum of sender, if both are same, he can be sure of non-corruption of file in transit.