IsMyHdOK is a small program to easily check the performance of a Windows Volume (e.g. Partition). It is suitable for SSD, HDD and other drives.
CHK is simple checksum program that can verify downloaded files from the Internet, hash your files to ensure integrity and help detect duplicates. Supports drag-and-drop and most popular hash protocols including CRC-16/32/64, ED2K, MD4/5, SHA-1/256/512/3, BLAKE2sp/b, BLAKE3 etc.