Defrag software programs are tools that arrange the bits of data that make up the files on your computer so they're stored closer together. This allows your hard drive to access files more quickly. Defragmentation, in other words, can help improve your computer's performance by making the reading of files more efficient, thanks to the fact that all the tiny pieces that make up a single file are right next to each other.
Still confused? All versions of Windows include a built-in defrag program, which we've ranked in this list. However, in most cases, a dedicated program, like any of the other free defrag software programs listed here, will do a better job. We've only included freeware defrag software in this list. In other words, only completely free defragmentation programs—no shareware , trialware, etc.
If one of these free defrag programs has started charging, please let us know. Piriform's Defraggler tool is easily the best free defrag software program out there. It can defrag the data or just the free space of an internal or external drive.
You also have the option of defragmenting specific files or folders and nothing more. Defraggler can run a boot time defrag, check a drive for errors, empty the Recycle Bin before defragging, exclude certain files from a defrag, run an idle defrag, and selectively move lesser-used files to the end of the drive to speed up disk access. Defraggler is also available in a portable version for flash drives.
If the Piriform company sounds familiar, you may already be familiar with their very popular free CCleaner system cleaning or Recuva data recovery software.
Defraggler can be installed on Windows 11, 10, 8, 7, Vista, and XP. During setup, uncheck Try Google Chrome before installing Defraggler if you don't want to install the Chrome browser along with this program.
Smart Defrag is great when it comes to scheduling an automatic defrag since there are some very specific advanced settings. It supports running a defrag on a schedule as well as using boot time defrags to remove fragments from locked files. Also included is a feature which removes junk files in Windows and Internet Explorer. It also clears cache files in other parts of Windows that could help speed up a defrag.
With Auslogics Disk Defrag, system files , which are normally commonly used files, can be configured to be moved to faster areas of a disk to improve launch times and general system performance.
It works with Windows 11, 10, 8, 7, Vista, and XP. Puran Defrag features a custom optimizer called Puran Intelligent Optimizer PIOZR to intelligently move common files to the outer edge of a disk to speed up access to those files.
There are very specific scheduling options available in Puran Defrag like running an automatic defrag every so many hours, when the system goes idle, or when the screensaver starts. Particular schedules can also be set up for boot time defrags like running it on the first computer boot up of the day, on the first of the week, or the first time your computer boots up every month. One thing we don't like about this tool is that it tries to install additional programs during setup.
Disk SpeedUp is another free defrag program that can defrag not only whole hard drives but also individual files and folders. You can also run an automatic defrag when the system has been idle for a particular number of minutes. This program has very specific settings. For example, you can disable defrags if files have fragments that are smaller than 10 MB, have more than three fragments, and are larger than MB.
All of these values can be customized. Duplicate File Finder. Essential Tools. Registry Defrag. Driver Updater. Disk Defrag Ultimate. File Recovery. Developed by. Subscribe to Our Newsletter Get exclusive deal alerts, helpful tips and software release news Subscribe now. Get information About Auslogics Founded in in Sydney, Australia, Auslogics has grown into an industry leader in the production of computer maintenance and optimization software for Microsoft Windows. Continue Reading Press Center Contact us if you require an evaluation copy of the software for review, screenshots, box shots or other graphics.
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Service companies Tune up customer PCs with our tools Our solutions are ideally suited to the needs of computer service companies that strive to deliver superior PC optimization and maintenance results to their clients. Product Questions Answers to frequently asked questions on program functionality or technical issues. See more. Ask a Question Access your questions asked through BoostSpeed and view answers in this section. Top Questions See most frequently asked questions answered here.
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Smart Defrag's updates include a new defrag engine, specialized Game Defrag, a cool new look, and many more language options 35 and counting. Because I am running an older machine with 6 drives, including 2 external, I find that Iobit's "Smart Defrag 5 Pro" has served me very well.
Being an older machine,, my computer system tends to become fragmented quite easily. Having My "Smart Defrag 5 Pro" set to auto defrag, and running a "Defrag and Optimize" once a week, keeps my system running smooth and well. Iobit is constantly upgrading and striving to make the product even better as time goes by. I am well pleased with this product. As with all IObit software it is easy to install, use and very reliable. Just set it up and forget it. Smart Defrag has a very small memory foot print so it won't slow down your system.
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.
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