SFV Ninja is a Simple File Verification checksum calculator; A tool that can be used to either verify a checksum file or or create a checksum file. Creation or validation of CRC32, MD5, SHA-1, or SHA-256 checksums are supported.
Crypto Hash Calculator is another great free and portable hash checksum calculator. It can be used to get the hash of a file and compare or verify a checksum.
IgorWare Hasher is a SHA-1, MD5 and CRC32 hash creator or hash generator for Windows. This checksum calculator can be used to generate a checksum for a single file.
MultiHasher is a File Hash Generator or Checksum Calculator. Offered as portable freeware, it can be used to validate, check or create MD5, SHA-1, CRC32, SHA-256, SHA-384, SHA-512 hashes or checksums.
HashGenerator is a Free Hash Generator created by SecurityXploded. It can be used to quickly and easily create or generate a hash for any file or text, and also supports drag and drop Hash File Generation.
MD5 Checksum Calculator previously called (RiMD5), is a tiny portable freeware utility that can be used to generate, calculate, compare and validate checksum values or MD5 (Message Digest number 5) of specified files.
The Marxio file checksum verifier is a portable file checksum validator. It allows you to calculate and compare checksums and then verify those checksums against the original.