(All programs require Windows XP, Vista, 7, 8, or 10)

ExactFile

Full GUI checksum/digest generator. Does not require console version.

Download: ExactFile-Setup.exe
File size: 1,249 KB
Version: 1.0.0.15 Beta
License: Freeware

exf

Console application. Works like fsum, md5sum, sha1sum, etc, but better!

Download: exf-exactfile-console-app.zip
File size: 146 KB
Version: 1.0.1.6 Beta
License: Freeware

FileCheckMD5

THIS IS OBSOLETE. ExactFile does everything you’d want FileCheckMD5 to do and more, plus ExactFile fixes a bunch of bugs that will never be fixed in FileCheckMD5.
Download: FileCheckMD5.zip
File size: 281 KB
Version: 0.2.1.10 Alpha
License: Freeware