MD5/SHA1 Checksum Quickly compute MD5/SHA1 HashesCompare multiple files Select files in each directory and click on compare. You're set !Hash for an entire directory Compute hashes for all files in a given directoryCompare 2 directories against each other Easily (one-click) compare 2 directories (Backups/DVDs/...)Create hash files Create .md5 or .sha1 files usable by other checksum programsCheck against hash file Verify your files with previously .md5 or .sha1 created filesCheck against pasted hashes Check a file with a given md5/sha1 (After a download)Copy/Paste results (Filename Path Size Hash) Easily create your own custom hash filesEasily exclude/include files from compare Excluding/including with one click !Work with large size files. (Tested on files with size up to 32 GB) Yup, no limit !Work with large number of files.(Comparing tested on 2 directories with 30k+ files) None !Support drag-and-drop As simple as thatFast ... as hellMulti-threaded Blame your Hard Drive if it isn't fast enough !