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Folder Size Explorer is a simple and free Windows Explorer clone with the added ability to calculate folder sizes. Microsoft's built-in Windows Explorer does not calculate folder sizes which means you have to manually select folders then click properties to determine their...

File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into Windows file-properties dialog box.

Linux, Windows, and Apple Mac GUI that enables rapid selection & hashing of files (individually or recursively), text and physical disks.