PeaUtils is a free, Open Source suite of tools for hashing, secure delete,
file split/join and various other file management tasks.

Checksum algorithms: Adler, CRC16, CRC24, CRC32, CRC64

Hash algorithms: eDonkey, MD4, MD5, Ripemd160, SHA1, SHA2, SHA3, 
Whirlpool

PeaUtils is part of PeaZip project, support and more information about
the program is available on: http://www.peazip.org

To use the program start pea.exe, select one of the supported analysis 
functions from the dropdown menu, and drag on the application the file(s) 
to operate on.

PeaUtils Portable doesn't need installation and can run from any path, 
simply de-compressing the package in it.