MD5 Multi-Checker allow you to easily get the md5 checksum of files. The interface support files and directories, to calculate the checksum of numerous files at once.
Do NOT INSTALL this program. Like raxto said, it only messes with your registry, switching all your .exe to open with a different program. If you did fall into this trap, here is a helping hand on how to fix it: (replace xx with tt) hxxp://www.sevenforums.com/tutorials/19449-default-file-type-associations-restore.html You should only need to download the .exe.reg file (if it saves as .txt delete the .txt and let the name end in .reg), right click, merge, then Log Off and then Log back On and its should be fixed.
After first run on Windows7 Pro, MD5 Multi-Checker automaticaly ask for assignment of exe files. Runing all exe is now disabled on my computer. Software uninstalled, don't wana it anymore.