Defraggler is a Portable File Defragmentation tool that can be used to defragment only the files you want to or defrag an entire drive. It can be used for defragmenting both internal and external drives including USB flash drives. This defragmenting tool uses a simple yet attractive GUI and is easy to use.
It can also be run directly from a portable USB device. The utility requires roughly 1.3MB of free disk space for a functional stand alone installation.
Defraggler – Portable Defrag Utility
Extracted Size: 6.3MB
Authors Website: Project Page
Download: Get the Portable Version HERE