Defraggler

It differs from other defrag tools on the market, by enabling you to quickly and simply defrag the files you want to, without having to process the whole drive.

Free Personal Windows

Auslogics Disk Defrag

Disk fragmentation leads to system slowdowns, PC crashes, slow startup and shutdown and sometimes to system failures. Auslogics Disk Defrag is designed for fast optimization of todays modern hard disks.

Free Personal

MyDefrag

MyDefrag (previously JkDefrag) is a disk defragmenter and optimizer (a maintenance utility to make your harddisk faster) for Windows 2000, 2003, XP, Vista, 2008, Win7, and for X64.

Free Windows

UltraDefrag

UltraDefrag is an open source disk defragmenter for Windows. It can quickly defragment everything including files which are usually locked by Windows. For instance, UltraDefrag can re-join paging and hibernation files.

Free Open Source Windows

IObit Smart Defrag

Smart Defrag supports deep defragment, defragmentation of multi-volumes, it optimizes file placement and have the option to automate your defragmentation for you.

Free Windows

PerfectDisk

PerfectDisk is a disk defragmenter with a variety of advanced disk management features. It supports automatic background defragmentation, flexible scheduling options, and boot-time defragmentation of locked system files.

Commercial Windows

oo defrag

O&O Defrag packs file fragments quickly and securely back together to optimize your hard disk under Windows.

Commercial Windows

System Mechanic

System Mechanic automatically repairs errors and fragmentation, cleans out clutter, and tunes up your PC -- so that it runs smoothly, reliably, and up to 300% faster! Don't waste money on expensive "experts" to fix your PC...

Commercial

Windows Disk Defragmenter

Disk Defragmenter is a computer program included in Microsoft Windows designed to increase access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique commonly known as defragmenting.

Free Windows

Condusiv Diskeeper

Condusiv's Diskeeper 16 is designed to be an active defragmenter that defrags while idle, but also delays and caches read/writes by using a pool of system RAM (L1 cache) both to avoid file fragments on SSD or HDDs and boost system...

Commercial Windows

Puran Defrag

Puran Defrag is a very simple disk defragmenter which will defrag the files and optimize your system, collecting all the fragments of a file and putting them together, as well as moving some frequently used files and all directories to...

Free Personal Windows

Stellar Drive Defrag

Stellar Drive Defrag optimises and defrags OS X Mac Yosemite hard drives. Defrag support is extended to Mavericks, Mountain Lion, Lion and Snow Leopard. The software...

Commercial Mac OS X

iDefrag

Over time, the operating system itself ends up scattered all over your disk. This, of course, doesn’t show up as fragmentation—after all, the files themselves are...

Commercial Mac OS X

UltimateDefrag

Youre about to make a very well informed decision to buy. Why? Because theres a lot of interesting reading and learning to be done on this page. Grab a coffee or a soda...

Commercial Windows

Contig

Contig is a single-file defragmenter that attempts to make files contiguous on disk. Its perfect for quickly optimizing files that are continuously becoming fragmented, or that you want to ensure are in as few fragments as possible.

Free Windows

Power Defragmenter

Power Defragmenter is a very advanced GUI for Contig, which takes defragmentation process to a whole new level. Portable version: http://goo.gl/BZGrv rejzor Blog :...

Free Windows

Vopt

Vopt-fast disk defragmentation. Vopt lets you quickly defrag and pack your disk drives to maintain optimal performance and reliability. Vopt's speed makes daily...

Free Windows

Ashampoo HDD Control

Ashampoo HDD Control 2 provides complete monitoring of your hard drive(s).

Commercial Windows

DiskTuna

DiskTuna is an easy to use, on-demand, no frills disk optimizer and defragmentation utility for FAT, FAT32 and NTFS formatted drives.

Free Personal Windows