gdShredder

With gdShredder, you can securely shred files/folders, the recycle bin, and free disk space so that the data cannot be recovered. gdShredder combines the power of Eraser, the open-source shredder trusted by millions of users and recommended by dozens of magazines, with the simplicity of Google Desktop. Simply drag files and folders to the shredder to securely erase the items. gdShredder is released under the GNU General Public License.

Requirements:

Windows 2000/XP/Vista, Google desktop 4 or higher