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.
- 32bit and 64bit support
- light disk and memory footprint
- Checksum/hash verification
- Open source
- Windows integration
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.
- HashCheck Home page