Soft4Boost Secure Eraser is a tool designed to permanently delete sensitive data from a computer. It offers a variety of data shredding algorithms, including Gutmann, DoD 5220.22-M, and others. The software can erase files, folders, and entire disks, and can also clean up free space to ensure previously deleted files cannot be recovered. It has a simple and intuitive interface, making it easy to use even for non-technical users.