MD5 Hash: Generate MD5 Message Digests Online This MD5 hash generator is useful for encoding passwords, credit cards numbers and other sensitive data into databases. An MD5 hash is generated by taking a string of any length and encoding it into a 128-bit fingerprint. Note that by encoding the same string using the MD5 algorithm will always result in the same 128-bit hash output. Use the above MD5 hash generator to create and verify data integrity of your files. If this tool was helpful, tweet it or share it.