From Andreas Software: AS-MD5 calculates the MD5 value of files for validation. MD5 (Message-Digest 5) is a 128-bit so called hash algorithm that can be used to compare information. The program can integrate with Windows so you can check a file by right-clicking on it and select "AS-MD5" from the menu. It shows very clearly if the comparison matched or not and includes calculation of pure text.
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