fast file checksum generation & verification tool. allows to create/verify popular file hash/checksum: md2,md4,md5, sha-1,sha-2(256,384,512), ripemd-160,panama,tiger, crc-32,adler32, and the message digest used in emule/edonkey(ed2k) software. use it to check files for corruption (data integrity checking). allows to recurse directories. supports md5 & sfv files. compatible with md5sum, md5summer, easy md5 creator, sfv checker/verifier, win crc32.

free, fast calculator to compute hash, checksum, hmac values for file, text and hex string. supports popular message digest and check sum algorithms: md2,md4,md5, sha1,sha2, ripemd160,panama,tiger, crc32,adler32, and the hash used in emule/edonkey (edonkey2000,ed2k). with this tool you can test for corruption ftp download/upload transfers, compare music,audio,video,game,image files, verify a cd, perform checking of mp3,mpeg,vcd,iso,zip downloads.

email verifier can save time and money for businesses who send newsletters to their clients, nonprofit organizations who send bulletins to their members, or any person or business that needs to maintain a clean e-mail contact list. email verifier is your powerful solution for the standard "message delivery error." email verifier verifies every e-mail address from a given mailing list, allowing you to determine 80-90% of "dead" email addresses.