Free: HashCheck Windows checksum utility

If you have backups or move data frequently from one place to another you should consider a checksum utility to ensure the integrity of your files. HashCheck is a free, open source, lightweight, and windows integrated utility making it the logical choice. HackCheck 1


  • 32bit and 64bit support
  • light disk and memory footprint
  • Checksum/hash verification
  • Open source
  • Windows integration

HackCheck 2 Think of a checksum as the fingerprint of a file that can be used to ensure the genuineness of the same. If the checksum changes or mismatches then the file may be suspected of tampering, corruption, or unannounced changes.