free calculator to compute multiple hashes, checksums and hmacs for files, text and hex strings. it allows to calculate hash (message digest), checksum and hmac values based on the most popular algorithms: md2, md4, md5, sha1, sha2 (sha256, sha384, sha512), ripemd160, panama, tiger, crc32, adler32, and the hash used in edonkey (edonkey2000,ed2k) and emule tools. it supports 3 input data formats: file, text string and hexadecimal string. it is a very fast, easy to use and to install application. it works with large size files, supports file drag-and-drop functionality. hashcalc generates hash, check sum, and hmac for files of any type which makes it a valuable utility to test for corruption your ftp and other download/upload transfers. with this tool you can quickly compare music, audio, sound, video, film, game, image, icon, document and other files, verify cd and hard drive files, perform checking of your .mp3, .mpeg, .mpg, .avi, .vcd, .iso, .zip, .gif, .jpg, .doc and other downloads.