Eraser!

Permadelete is a free and open source file shredder, it deletes your files beyond recovery. It's made to be beautiful and easy to use and yet powerful.

WipeFile erases files and folders secure and fast. WipeFile overwrites the information completely, so there is no way to undelete the files or reconstruct the file content.

Active@ Kill Disk is disk eraser software for secure formatting of hard drives without any possibility of following data recovery.

EraserDrop Portable is an easy-to-use secure data removal tool. It is a drop target (a floating icon on your desktop) that you can drop files onto to quickly erase them so they can not be recovered. EraserDrop does away with the standard Eraser Portable interface and is packaged as a portable app so you can easily delete files on the go.

As an efficient Windows system optimizing program, OSToto PC Speeder can do the following tasks, saving you a lot of time and energy.

HDShredder deletes the contents of hard disks and other mass storage media reliably at the physical level. HDShredder can also be applied to individual partitions and the user can select to perform the deletion according to international security standards. HDShredder works independent of partition layout, file sys­tem and operating system. It also works with proprietary formats which otherwise would be inaccessible.

With Context-Shredder you can destroy your sensitive files. Choose from simple destruction or shredding by Peter Gutmann. Users can create deletion tasks, overwrite available free space or destroy disk drives.

iOS devices that created by Apple have changed the world definitely. Although the storage of the iPhone, iPad or iPod become larger and larger, the storage of the device is always limited and too many junk files in the moile phone will lead to the slow operation or responce. You may delete some of the junk files manually but you can find all the app caches, app temp files, app cookies, crash logs, download temp files, user storage files, photos caches and so on one by one. You are able to clean all the junk files with just one click if you use the software. 1. 1-Click to clean iDevices as you like: it can easily and quickly delete or wipe any unwanted data from your iPhone, iPad or iPod without hassle and with just a simple click. 2. High compatibility: suppot iOS 5, iOS 6, iOS 7, iOS 8, iOS 9 to work well. 3. Quick scan and find your target files: the software will detect and scan the junk files according to your needs and display them on the interface so that you can easily find your target files to delete. »

With xShredder you can destroy your sensitive files. Choose from simple destruction or shredding by Peter Gutmann 35 times.

PartitionGuru is a partition management and data recovery program. In addition to traditional MBR partition table, it supports GUID partition table on GPT disks also. The free version is not able to convert a dynamic disk to a basic disk.

File Shredder is a FREE and powerful application to shred and permanently remove unwanted files from your computer.In File Shredder you can choose between 5 different shredding algorithms, each one gradually stronger than the previous one.It also has integrated Disk Wiper which uses shredding algorithm to wipe unused disk space.

SDelete, short for Secure Delete, is a command-line based data destruction tool and can be run from the Command Prompt in Windows 7, Vista, or XP.

BCWipe data wiping software enables you to permanently delete files selectively so that they can never be recovered or undeleted. BCWipe embeds itself within Windows and can be activated from the Explorer FILE Menu OR from the context (right-click) menu OR from BCWipe Task Manager OR from a command-line prompt. BCWipe complies with U.S. Department of Defense (DoD 5220.22-M) standard, U.S. Department of Energy (DoE M 205.1-2) standard and a set of other standard wiping schemes. You can also create and use your own customized wiping scheme to permanently delete files or wipe data and sensitive information from storage devices installed on your computer. »

Want to download new android game but have no any free space? Want to make your tablet or smartphone quicker?

When you normally delete your files in Mac OS X, the operating system is only forgetting where those particular files are placed, while the data still physically remains on the drive. Beginning with Mac OS 10.3, Apple enhanced its security by introducing the Secure Empty Trash feature, which follows the U.S. DoD pattern of overwriting data seven times.