Active@ Kill Disk – Simple File Shredder
Simple file shredder program that allows you wiping all sensitive data on a physical hardware drive either run from bootable CD, program files or DOS. Meanwhile, the best part of Active@ Kill Disk is display all information about the drive, including data present in any sector on the drive before wiping. However, the file shredder program only writes zeros to the drive but you upgrade the wipe data technology like Standard DOD 5220.22-M with 50USD.
Hard Wipe – Free Data Wiper Software
Hard wiper is a simper data wiper freeware, which utilizing three major data wiping schemes such as GOST R 50739-95, DOD 5220.22-M and Schneier & Gutmann. Three data wiping options on their left interface: Wipe Files (delete selected files and folders), Wipe Drive (wipe complete folders or drives) and Clean Space (clean the free space of drives) buttons. Plus more, it also also integrates into the Windows Explorer context menu to securely delete files and folders directly from the default file manager.
Hard Drive Eraser
Hard Drive Eraser is free Windows deleted data application on whole volumes (hard drives). It does so by filling the magnetic surface multiple time with a useless binary data. Hard Drive Eraser will work on any computer with Windows Vista or Windows XP Operating System. Hard Drive Eraser uses an advanced and secure algorithms to erase drive volumes and partitions. The speed of erasing is dependant of the speed of your system, particularly hard drive.
Disk Redactor is a data WIPE utility that lets you securely erase any old ( deleted ) files and prevent them from being recovered. All your private sensitive insecurely erased information will be wiped from free unused space on your drives to ensure complete data destruction.
Beside that, you can check out iolo Drive Scrubber program. A commercial file shredder that using DoD 5220.22-M data deletion standard to scrub your information forever from your hard disk.
Most of these free file shredder support Windows 8, Windows 7, Windows Server 2012, Windows Server 2008, Vista and Windows XP.
So, I hope above free file shredder program can wipe off or delete your un-use personal data or sensitive data forever to avoid information restoration or other unwanted situation.