HashCheck Shell Extension - File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into Windows...
Md5Checker - Md5Checker is a free, faster, lightweight and easy-to-use tool to manage, calculate and verify MD5 checksum of multiple files/folders.
RapidCRC Unicode - RapidCRC is an open source CRC/MD5/SHA hashing program.
QuickSFV - QuickSFV integrates into the Windows Explorer shell and makes it very easy to verify files.
checksum - checksum is a no-nonsense BLAKE2/SHA1/MD5 hashing tool for Windows.
SFV Checker - SFV Checker Ensure your multi-volume file archives are complete and accurate!