Alternatives to O&O Defrag for all platforms with any license

  • Defraggler icon


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

    Free Personal Windows

  • Auslogics Disk Defrag icon

    Auslogics Disk Defrag

    Disk fragmentation leads to system slowdowns, PC crashes, slow startup and shutdown and sometimes to system failures. Auslogics Disk...

    Free Personal Windows

  • UltraDefrag icon


    UltraDefrag is an open source disk defragmenter for Windows. It can quickly defragment everything including files which are usually...

    Open Source Windows

  • MyDefrag icon

    MyDefrag Discontinued

    MyDefrag (previously JkDefrag) is a disk defragmenter and optimizer (a maintenance utility to make your harddisk faster) for Windows...

    Free Windows

  • IObit Smart Defrag icon

    IObit Smart Defrag

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

    Free Windows

  • WinContig icon


    WinContig is an easy-to-use stand-alone defragmentation tool that doesn't create any installation directories or Registry entries...

    Free Windows

  • Windows Disk Defragmenter icon

    Windows Disk Defragmenter

    Disk Defragmenter is a computer program included in Microsoft Windows designed to increase access speed by rearranging files stored on...

    Free Windows

  • PerfectDisk icon


    PerfectDisk is a disk defragmenter with a variety of advanced disk management features. It supports automatic background...

    Commercial Windows

  • System Mechanic icon

    System Mechanic

    System Mechanic automatically repairs errors and fragmentation, cleans out clutter, and tunes up your PC -- so that it runs smoothly...

    Commercial Windows

  • Puran Defrag icon

    Puran Defrag

    Puran Defrag is a very simple disk defragmenter which will defrag the files and optimize your system, collecting all the fragments of...

    Free Personal Windows

  • Condusiv Diskeeper icon

    Condusiv Diskeeper

    The one investment that pays for itself many times over in restored performance and hardware life is Diskeeper with InvisiTasking....

    Commercial Windows

  • Contig icon


    Contig is a single-file defragmenter that attempts to make files contiguous on disk. Its perfect for quickly optimizing files that are...

    Free Windows

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  • Stellar Drive Defrag icon

    Stellar Drive Defrag

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

    Commercial Mac

  • iDefrag icon


    Over time, the operating system itself ends up scattered all over your disk. This, of course, doesn’t show up as...

    Commercial Mac

  • Ashampoo HDD Control icon

    Ashampoo HDD Control

    Ashampoo HDD Control 2 provides complete monitoring of your hard drive(s). The software supports not only all common IDE and serial...

    Commercial Windows

  • Vopt icon


    Vopt-fast disk defragmentation. Vopt lets you quickly defrag and pack your disk drives to maintain optimal performance and...

    Free Windows

  • DiskTuna icon


    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

  • MyDefragGUI icon


    Windows freeware defragmentation and optimization - MyDefragGUI and the legacy JkDefragGUI. MyDefrag is a free defragmentation...

    Free Windows

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  • PageDefrag icon


    PageDefrag uses advanced techniques to provide you what commercial defragmenters cannot: the ability for you to see how fragmented...

    Free Windows

  • UltimateDefrag icon


    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...

    Commercial Windows

  • Ashampoo Magical Defrag icon

    Ashampoo Magical Defrag Discontinued

    Ashampoo Magical Defrag is a tool that can help you keep your hard drive in good shape. Once you initiate the application, the...

    Commercial Windows

  • Power Defragmenter icon

    Power Defragmenter

    Power Defragmenter is a very advanced GUI for Contig, which takes defragmentation process to a whole new level. Portable version:...

    Free Windows

  • icon Warning

    Is a suite of tools for increasing MS Windows operating system performance. cleanly removes unwanted software from disk...

    Commercial Windows

  • Comodo PC TuneUp icon

    Comodo PC TuneUp

    Comodo PC TuneUp is a free disk registry cleaner, file cleaner, and privacy cleaner with unique "undo" technology. Download...

    Commercial Windows

  • PassMark Fragger icon

    PassMark Fragger

    Passmark Fragger lets you frag and defrag files in a controlled environment according to user-selected settings.

    Free Personal Windows

  • SpeeDefrag

    SpeeDefrag is the exclusive freeware program, which optimizes Windows defrag. It restarts your computer, which refreshes the RAM and...

    Free Windows

  • Auslogics Disk Defrag Touch icon

    Auslogics Disk Defrag Touch

    The smart way to defragment a touch-screen computer running Windows. Hidden bonuses in Disk Defrag Touch make using the software fun...

    Free Personal Windows

  • Amigabit PowerBooster icon

    Amigabit PowerBooster

    Amigabit PowerBooster increases PC speed, defrag hard drive, clean and repair registry, delete junk files, protect Internet...

    Commercial Windows

  • Amigabit Disk Defrag icon

    Amigabit Disk Defrag

    Amigabit Disk Defrag - Defragment your hard drives effectively for peak PC performance. It allows to automatically analyze, defrag...

    Commercial Windows

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