eFob Portable Defragmenter Software

On this page I am listing the very best portable defragmenter software for usb thumb drives, SSD Flash Drives, iPads, and mobile devices.
The portable software I'm listing here is either portable defragmenter software I use myself or the best available without charge or open source portable defragmenter software.
File defragmentation seems to be less important now in these days of true 32bit and 64bit operating systems. Still, I prefer to use a portable defragger and keep my hard drive responsive and tidy.
WinContig Disk Defragmenter Software

WinContig is a standalone executable, and it doesn't require any installation process or additional DLLs. In order to start using WinContig Disk Defragmenter Software, just extract the contents of the ZIP archive to any folder you like, and run WinContig.
WinContig Disk Defragmenter Software is released as freeware for personal and commercial use.
WinContig is an application designed for Windows 2000, Windows XP, Windows Vista, Windows Seven operating systems. As a user of Windows 2000, Windows XP, Windows Vista or Windows Seven you have to be logged in with full administration rights to run WinContig Disk Defragmenter Software.
WinContig Disk Defragmenter Homepage
MyDefrag Disk Defragmenter Software

MyDefrag Disk Defragmenter Software is freeware, with no time limit, and is fully functional with no advertisements.
MyDefrag Disk Defragmenter Software is fast, has low overhead, and with many optimization strategies, can handle floppies, USB disks, memory sticks, and anything else that looks like a disk to Windows.
Included with MyDefrag Disk Defragmenter Software are a set of easy to use scripts for endusers, a scripting engine for demanding users, a screensaver, and a combined Windows plus commandline version that can be scheduled by the Windows task scheduler or for use from administrator scripts.
MyDefrag Disk Defragmenter Homepage
Defraggler Disk Defragmentation Software

Most defrag tools only allow you to defrag an entire drive. Defraggler lets you specify one or more files, folders, or the whole drive to defragment.
When Defraggler reads or writes a file, it uses the exact same techniques that Windows uses. Using Defraggler is just as safe for your files as using Windows.
Defraggler Disk Defragmentation Homepage