A checksum is a string of characters which uniquely identifies afile, a digital fingerprint. Change even a few bytes of a file–forexample, by infecting it with a virus or replacing an old ...

Download it from Softpedia. PS Hash, MD5 Check and Marixio File Checksum verifier are other similar tools that will interest you. Now read: What is the difference between Encryption and Hashing?

PS Hash is a free tool that calculates, compares and verifies the checksums, content and hashes of .md5, .sha1, .sha256, etc, files using an algorithm.