Freeware: File Shredder
As a general rule, whatever files you have deleted could be recovered. Even in the case that the hard disk is fully formatted. Those tools to recover files referred as “file recovery” software. It is third party software for the retrieval of deleted files under Windows OS. Therefore, in order to permanent delete form your system, user have to shred file. Accordingly, it is a process to use a program that is capable of rewriting the files with random series of binary data multiple times.
In brief, the author of this program released it free under GNU licence and you are welcome to use it without any restrictions (fileshredder.org). File Shredder is simple but powerful program that surpasses manu commercial file shredders out there. The Author believes that such a utility should be available to anyone for free and that permanent and safe removal of confidential documents is a matter of basic right to privacy.
Add File(s) – Click to add files ready to be shredded.
Add Folder(s) – Click to add folders ready to be shredded.
Remove Selected – Click to remove a file(s) or folder(s) from the shredding queue.
Remove All – Click to remove all file(s) or folder(s) from the shredding queue.
Shred Free Disk Space – This option will shred unused or free disk space across the whole disk volume.
Shred Free Disk Space – After you picked the files ready to be shredded click on this button to execute permanent removal of files. Warning: this option can not be undone, make sure you haven’t picked non intended files accidentally.