persicum's RSC32!

MultiPar does archival-grade file verification and repair to protect files from all forms of loss or corruption. Backups alone are not enough because data will gradually "rot" without MultiPar. Data loss can be caused by errors in backup copying, deletion, software bugs, hardware errors, viruses, tampering, etc. MultiPar can restore data even if some files are completely erased.

Dvdisaster stores data on your CD/DVD/BD including additional error correction data to protect against data loss due to disk surface degradation (read errors). This makes optical disks safer for long-term storage since it allows for data recovery even after some read errors occur.

checksum is an easy-to-use, no-nonsense BLAKE2, SHA1 & MD5 hashing program for Windows, capable of creating & verifying hashes of files and folders, even whole drives, with just one or two clicks. It is robust, lightning fast, intuitive, and completely customizable. It comes with an installer that adds hashing options to your Explorer menus, or alternatively, can be simply unzipped for portable operation. Or both.

This software allows to generate MD (Message Digest) and SHA hashes from a file or files or files in a directory. Checksum is an value calculated from a content of file by special algorithm. You can also verify the file integrity of the downloaded document or program. File Checksum Utility is very easy to use. From the graphical user interface, choose the file from your computer storage. The tool calculate and display checksum values.

ICE ECC is a file verification and repair tool. ICE ECC allows you to protect your important files and sensitive data against digital corruption using Reed-Solomon codes

DataHealthCheck is a portable app to check your files for corruption or display their md5/sha1 hash. It is faster than other apps because it checks for corrupted files and update hashes of changed files in one pass.

Par-N-Rar is a graphical utility which accepts a directory as input and will repair/verify any PAR/PAR2/SFV/MD5 files in that directory. Once it verifies a set of files, it will attempt to unRAR them. Once it finishes unRARing a RAR archive, it will (optionally) remove the original PAR/RAR files.

MacPAR deLuxe is a utility program that runs on the Apple Macintosh. It is useful to you if you download (or upload) binary files from internet newsgroups (a.k.a. “Usenet”).