Bitrot Detector is a utility that... - Periodically scans your computer's folders (all of them or the ones you select) - Generates fingerprints for each file's contents - Detects changes made to your files since the last scan - Lets you review changed files, and take note of changes that need to be dealt with - Helps you identify and recover from hard-to-notice data loss Bitrot Detector works best as a complement to your backup system of choice.