Compare the Top Defrag Software with a Free Trial as of January 2026

What is Defrag Software with a Free Trial?

Defrag software optimizes the arrangement of files on a hard disk drive (HDD) to improve read and write speeds. By reorganizing fragmented data into contiguous blocks, it reduces seek time and enhances overall system performance. Many modern defrag tools also include scheduling, SSD optimization modes, and disk health monitoring. While SSDs don’t require traditional defragmentation, defrag software can still perform trimming and optimization tasks for them. These tools are especially valuable for extending the life of HDDs, speeding up boot times, and improving file access efficiency. Compare and read user reviews of the best Defrag software with a Free Trial currently available using the table below. This list is updated regularly.

  • 1
    iolo System Mechanic
    More than your average PC tune-up software. Speed up, secure, and simplify your digital life with iolo’s all-in-one Windows® optimization, antivirus, and online privacy software suite. Millions of people around the world have already made System Mechanic their go-to PC tune-up software for speed, repair, and automated maintenance. Read our press reviews. Deletes junk files that cause sluggishness and system instability. Boosts performance in real time for gaming, streaming, and downloading. Removes system-hogging bloatware you didn’t know was there. Frees trapped memory and defragments drives for even more speed. Helps secure open router ports and connected home devices. Automatically cleans and repairs whenever your PC is idle.
    Starting Price: $39.95
  • 2
    Systweak Advanced System Optimizer
    Advanced System Optimizer is the most powerful cleanup and optimization software for Windows. It delivers an affordable, easy-to-use solution for all your Windows optimization needs. Clean your computer’s hard drive and make Windows much faster. Removing junk and obsolete files from your storage boosts PC speed with faster response and load time. Remove unwanted clutter and junk files from your PC for optimized system resources. Defragment your hard drive for better data allocation and read speed. Protect your privacy by deleting browsing history and cookies, encrypt your important files from prying eyes and delete data permanently! Keep Windows PC working like new with Advanced System Optimizer. It comes with in-built utilities to maintain and optimize your computer with ease. Backup important files such as videos, audio files, photographs and documents alongside recovery of lost data, regardless of whether it was deleted or formatted.
    Starting Price: $47.78 per year
  • 3
    CleanGenius
    If you are struggling with computer error after computer error, it can be enormously frustrating. If you are tired of the sluggish computer operation and slow load times, we recommend EaseUS CleanGenius to help you. This powerful PC booster provides an all-around and easy-to-use solution for Windows users to speed up PC, optimize & repair OS, free up disk space, etc. with only 1 click. Quick scan your computer OS to detect the problems. Deep scan your computer to help you understand more about your system problems as well as broken or invalid files. Clean, repair and optimize your computer system with just 1 click. Locate and remove cloned files, empty files, files of large sizes, or recently modified files. Unlock files or folders locked by system or other programs and help to rename, move or delete locked resources. Keep your registry defragmented and fix registry errors. Quickly clear junk files, useless shortcuts, unwanted files or software etc.
    Starting Price: Free
  • 4
    Diskeeper

    Diskeeper

    Condusiv Technologies

    Diskeeper® is the #1 utility for keeping Windows servers and PCs running faster than new. Trusted by millions, Diskeeper prevents fragmentation & caches hot reads from idle, available DRAM for blazing performance! Everyone knows the frustration of a Windows system becoming progressively slower the longer it is used and burdened with more software and data. Condusiv’s Diskeeper with DRAM caching guarantees to fix worst performing physical servers or PCs with faster than new performance. Instead of "defragging," Diskeeper 18's patented engine ensures large, clean contiguous writes from Windows in real-time so fragmentation is no longer an issue for HDDs or SSDs. This eliminates the "death by a thousand cuts" scenario of small, tiny writes and reads that rob SSD and HDD performance. Diskeeper 18 electrifies Windows system performance to operate faster than new with the addition of dynamic memory caching - using idle, available DRAM to serve hot reads.
    Starting Price: $49.95/perpetual license
  • 5
    SQL Defrag Manager

    SQL Defrag Manager

    IDERA, an Idera, Inc. company

    Automatically find and fix database index fragmentation. Database administrators for SQL Server need to maintain the high availability and performance of their databases. Key areas that dramatically affect the performance of SQL Server are indexes that are fragmented and out of cluster. SQL Defrag Manager is a unique solution for defragmenting indexes for SQL Server. It automates the time-consuming process of finding fragmented indexes based on policies for the targeted databases.
    Starting Price: $1,196 per instance
  • 6
    Defraggler

    Defraggler

    CCleaner

    Defrag entire hard drives or individual files. Works with HDD and SSD and supports NTFS and FAT32 file systems! Defraggler speeds up your PC by assembling fragmented files on your machine and organizing them more efficiently. Defraggler does the hard work, so your computer doesn’t have to. Defrag with confidence. Defraggler uses the same techniques as Windows to read and write files, so your files will never be damaged. Defrag free space on your drive and not just your files. A proactive solution that helps prevent fragmentation before it occurs. You have full control over which drives, folders and files you defrag. Or simply use the default settings and let Defraggler do the work for you. Simple enough for every day users and flexible enough for advanced users. Defragment while you sleep, and wake up with a faster PC. Set Defraggler to run daily, weekly or monthly.
    Starting Price: $11 per year
  • 7
    PerfectDisk

    PerfectDisk

    Raxco Software

    PerfectDisk's OptiWrite technology prevents most fragmentation on your drive before it occurs, which prevents your system from slowing down. OptiWrite detects when Windows is going to fragment files and intelligently redirects I/O to stop the fragmentation from occuring. System performance is maintained and the need to utilize CPU and Disk I/O resources to defragment files is greatly reduced. Because less defragmentation is needed, there is a direct benefit in the form of energy saved in both CPU usage and in the reading and writing to a disk. It saves users both in energy costs and in the time required to defragment a file system. PerfectDisk's Space Management recovers disk space by detecting and removing duplicate files such as text documents, pictures, music, and videos. Recycler purges the Recycle bin and removes temporary files so that your drive remains clutter free. With Space Reports you can view a graphical and statistical report of file usage and allocation.
    Starting Price: $53.34 per year
  • 8
    O&O Defrag

    O&O Defrag

    O&O Software

    Up to 100% increased PC speed: There is nothing worse than when you want to do something on your PC and your computer is running slow. A disk defragmenter used regularly can speed up a PC of any age and get it working like new again! Don’t let a slow computer spoil your work or fun! Let O&O Defrag optimize your hard disks and – New! – SSDs and you can experience speed increases of up to 100%! Regular disk defragmentation optimizes your PC performance! When you defragment, the files that Windows splits up when saving documents across the hard disk or SSD are put back in order again so that files can be quickly recognized and found by the SSD or the read and write heads inside your HDD. Speed increases of up to 100% are not uncommon, and your hardware suffers much less wear and tear! Many new things have been added to the O&O Defrag engine that make using it, especially under Windows 10, even better.
    Starting Price: $29.95 one-time payment
  • 9
    JetDrive

    JetDrive

    Abelssoft

    JetDrive recognizes errors in your hard drives and can even detect and fix errors automatically if you prefer. Do you still remember the feeling when you bought your PC and everything ran so quickly? With JetDrive you can regain this lost speed. There is a physical reason why your PC slows down with time. JetDrive defragments your drive and restores it to an optimal state. Defragments are also your Registry thanks to our special registry defragmentation algorithm. Select which drive you want to defragment. A memory overview shows you how much memory capacity is still free or occupied. JetDrive of Abelssoft fixes the problem, defragments the computer, and optimizes the performance noticeably. In the classic hard disks, files are stored by magnetic fields, sector by sector. When a file is deleted, there is a gap. If the next file stored is not exactly in the size of this gap, it might result in an issue.
    Starting Price: €29.90 one-time payment
  • 10
    Wise Registry Cleaner
    Clean registry junks, repair Windows registry errors, defragment Windows registry, and keep your PC at peak performance. This new feature is ideal for computers that are used by more than one person, such as home computers that are shared by a family and public computers in public places. People who have administrative rights can easily scan and clean all users' registries at once. You do not need to log in under each individual account to scan & fix registry issues. The registry keeps growing when you use Windows, and so does the obsolete items in the registry, which would eventually lead to performance degradation and even system crash. Wise Registry Cleaner scans the Windows registry and finds errors & residual items in the registry and then cleans or defrags them. By fixing these residual and corrupted items in the Windows registry, your system will run faster and more stable.
    Starting Price: $29.95 one-time payment
  • 11
    Panda Security Cleanup
    Panda Cleanup cleans and speeds up your Windows devices, extending their useful life and improving performance. Speed up your Windows device and free up hard disk space by deleting unnecessary files. Delete temporary files and clear your browser's history. Delete cookies (Chrome, Firefox, Edge, and Internet Explorer). Clean up the Windows registry. Defragment the hard disk. Some programs and applications are configured to run automatically whenever you start your PC. This may slow down your computer. With Panda Cleanup, you'll be able to see which programs are configured to run at startup and disable them if you don't think they are necessary. Additionally, Panda Cleanup will warn you every time a program installs as part of your computer's startup sequence so you can keep the boot process always optimized. Panda Cleanup will delete any corrupted or unnecessary registry keys that may cause operating system errors.
    Starting Price: $17.93 per year
  • 12
    Glarysoft Disk SpeedUp
    Colorful interface with large, clearly labeled buttons and tabs labeled Defrag Show and Settings, which offers all basic functions, so it is very easy to operate for both novices and pros. It takes just a few seconds to scan your whole disk. In addition, with more advanced settings to meet advanced requests, it is intelligent. It is designed in such a way that defragments and optimizes disk safely, without any damage to your hard drive and the data stored on it. Disk SpeedUp features a nicely designed interface and is very easy to use. The program works with all main file systems and has support for scheduled scans as well. And besides the basic defrag functionality, Disk SpeedUp also includes an optimization tool, which is slower, but offers better results. Fast and efficient, user-friendly interface and interactive drive map. Defrag automatically and intelligently. Run as you scheduled, customized presets.
  • 13
    UltimateDefrag
    A brand new version, more powerful than ever, for hard drive performance faster than ever so you can continue to experience a Windows® PC where everything just happens faster! We're pleased to announce the new Version 6 of the single most powerful defragmentation and hard drive optimization software on planet earth, UltimateDefrag. You now have more power and flexibility than ever before for keeping your hard drive not only defragmented but also optimized for the absolute maximum performance possible. All other defragmentation software only defragments, which is only part of the hard drive performance degradation equation, the other two more important causative factors are "where" on the drive your files are and how "scattered" your files are relative to each other. UltimateDefrag is the only software product that addresses all three causes of reduced hard drive performance to make your Windows PC, as well as all your favorite games and applications, perform at maximum performance.
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