Hash Code Cracker is a tool that recover the original text from the Hash codes. This tool uses dictionary attackS to crack the MD5, SHA, NTLM(windows) Hashes. It is free open source (GPL licensed) program. dictionary attack is method of recovering passwords using known passwords. In this method, the known passwords are listed in a dictionary file. The Hash code will be compared with the known password's hashes. If it finds any matches, it will return the password.