Use Hashtab as a simple MD5 checker or for a more advanced file integrity check.HashTab provides OS extensions to calculate file hashes and supports many hash algorithms such as MD5, SHA1, SHA2, RipeMD, HAVAL, and Whirlpool. As Windows desktop software HashTab runs as a Windows shell extension and on the Mac, it is implemented as a Finder plugin. Hashtab provides an easy way to verify file integrity and authenticity.