Master Shredder

"Delete your files securely on Windows 7"
Master Shredder is a professional files wiping utility for Windows 7/Vista/XP both 64/32 bit. Files deleted by this software cannot be recovered by any third party software, even by special hardware devices (analyzing remanent magnetization of hard drive's surface).
Master Shredder can securely delete your important files using 18 wiping algorithms, including U.S. DoD 5200.28, NATO Data Destruction Standard, U.S. Air Force Standard, U.S. Army Standard, Russian GOST P50739-95 Data Destruction Standard and others.
It destructs files not only on FAT16 and FAT32 formatted hard drives and other media, but it includes special algorithms for NTFS formatted hard drives, it recognized and destructs NTFS compressed and encrypted files.
Integrated with Windows: it is possible to shred files from Explorer Context Menu, by drag-n-dropping files to master shredder's recycle bin located on desktop, by calling Send To context menu item. User-Friendly easy-to-understand Graphical interface designed to hide the complexities of encryption technology from the end user.

The latest version includes new feature: "Privacy Master". It cleans cache,cookies,typed URLs, visited URLs history and etc for Internet Explorer and FireFox. It also erases other traces in system: Recycle Bin, Recently open documents history and etc.