ShredIt

ShredIt is designed to securely erase files in a variety of ways, using various overwriting patterns. Originally released in 1998, Shredit is capable of erasing files on Mac OS 7 through Mac OS 10.8 and later, as well as Microsoft Windows 95 through Windows 7^[2][3][4][5] and later and iOS (sublicensed by Burningthumb Software).^[6] Versions of ShredIt are available for 10.6 and later through the macOS App Store; earlier and alternate versions are available through the Mireth website.

ShredIt
Original author(s)	Mireth Technology
Developer(s)	Mireth Technology
Initial release	1998 (1998)
Stable release	Shredit 6.0.3 / July 20, 2012; 12 years ago (2012-07-20)
Written in	Objective-C, C
Operating system	Mac OS 7, Mac OS 8, Mac OS 9, Mac OS X, Windows, iOS[1]
Platform	Intel, PowerPC,[1] Apple A4 Apple A5(ARM)
Size	3.5 MB
Type	Data erasure
License	Proprietary
Website	Shredit Product Page

Features

• Safeplace
• Shredding by file, by folder or optical media

Overwriting Standards

• DoD 5220 Clear & DoD 5220 Sanitize
• DoE Secure Deletion^[7]
• Gutmann 35 Way Overwrite^[8]
• CD-RW Erasure^[8]