Secure File Deleter
Secure File Deleter 6.0 can be downloaded from our software library for free. This free software is an intellectual property of CYROBO LTD. The software belongs to System Utilities. This download was scanned by our built-in antivirus and was rated as safe. The current setup file available for download occupies 2.5 MB on disk.
From the developer:
This free tool will permanently wipe the contents of deleted files so that nobody would be able to recover them, even with the use of special tools. The contents of deleted files will be overwritten using random data. You can choose many security algorithms for data destruction. The program can write a combination of ones and zeroes, or any characters, onto any sector of your hard drive.
You may want to check out more software, such as Secure File Delete, Securely File Shredder or File Deleter, which might be similar to Secure File Deleter.