FreeRaser is a Free Portable tool that can be used to shred, destroy and permanently delete files from your computer. FreeRaser allows you to select from one of three methods to shred data. Method 1: Fast destruction utilizes a single round, filling the space with random data. Method 2: Forced destruction utilizes 3 rounds of filling according to DoD 5220.22M standard. Method 3: Ultimate destruction utilizes 35 rounds of filling with data according to Guttman algorithm.
FreeRaser is easy to use. Simply drag the file or folder you wish to shred and delete over the FreeRaser trash bin and the software does the rest.
Portable File Shredder - FreeRaser Screenshot
Authors Website: http://www.codyssey.com/
Download: You can get FreeRaser HERE