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. You can...

• Bundleware VirusTotal returns the following: Win32/Bundled.Toolbar.Google.D potentially unsafe

Free Personal Windows

UltraDefrag

UltraDefrag is a disk defragmenter for Windows. It can quickly defragment everything including files which are usually locked by Windows. For instance, UltraDefrag can...

Commercial $ $ $ 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...

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Free Personal $ $ $ 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.

• Bundleware The installer may contain adwares. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/

Free Windows

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...

• Discontinued The official website is no longer available. Last version, 4.3.1, released in May 2010, can be still downloaded from FileHippo

Free Windows

O&O Defrag

O&O Defrag packs file fragments quickly and securely back together to optimize your hard disk under Windows. You can now see what the program does for your system...

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!...

Commercial $ $ $ Windows

PerfectDisk

PerfectDisk is a disk defragmenter with a variety of advanced disk management features. It supports automatic background defragmentation, flexible scheduling options...

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...

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...

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...

Free Personal Windows

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...

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...

• Discontinued The web site no longer exists.

Free Windows

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