MD5 stands for 'Message Digest algorithm 5'. MD5 algorithm is used as a cryptographic hash function or a file fingerprint. Often used to encrypt password in databse, MD5 can also generate a fingerprint file to ensure that a file is the same after a transfer for example. A MD5 hash is composed of 32 hexadecimal characters. Enter a word in the MD5 encrypter form above to know the corresponding MD5 hash.