An extremely fast utility for your files integrity control. The high accuracy attains through the usage of a cryptographic algorithm, as a matter of fact FastSum is a Windows MD5 Checker. All you have to know is – how to run FastSum.

Take control of your data with FastSum. Fingerprint your important files now and check the integrity after a network transfer or a CD\DVD burning etc. simply by taking the fingerprints again and comparing them with the previously made ones.