Free Disk Defragmenters for PC

Discover our top picks for the best free portable disk defragmenters for PC that optimize your hard drive’s performance and speed. These tools are designed to improve system efficiency, ensuring your computer runs smoothly and effectively.

Defraggler Portable File and Disk Defragmenter Tool

Defraggler Portable - Free DefragDefraggler Portable is a free file and disk defragmenter tool that can be used to defragment only the files you want to or defrag an entire drive. It can be used for defragmenting both internal and external drives including USB flash drives.

PageDefrag - Portable Defrag Tool

pagedefrag-screenshotPageDefrag is a free portable defragmenter that allows you to defragment files that you might otherwise be unable to defragment with typical defragmenting tools. Files such as registry, paging, event log and hibernation files or those that are open for exclusive access are just a few examples of what this

Rizone's Power Tools - Window Maintenance

rizones-power-toolsRizone's Power Tools is a free and portable tools and utilities suite. Offering an extensive set of Windows Maintenance tools at your fingertips to help you maintain your PC.

WinContig - Portable Defrag Tool

wincontig-file-and-folder-defrag-toolWinContig is a simple free defrag tool that can be used to quickly defragment files without defragmenting the entire disk. This tool can even defrag ISO files.

Auslogics Disk Defrag - Portable Defrag Tool

Auslogics Free Disk Defrag ToolAuslogics Disk Defrag is a free and portable disk defragmenting tool designed for fast optimization of modern hard disks. File fragmentation has been known to cause slow startups and shutdowns, slow performance and even crashes.

Ultimate Defrag - Portable Defragmenter

UltimatedefragUltimateDefrag (Freeware Edition) is a Free Portable Defragmenter that allows you to optimize your hard drive any way you want. This free defrag tool enables a user to not only defrag files on a disk, but also put frequently accessed files in areas on your hard drive where they will achieve maximum performance.

JKDefrag Portable Defragmenting Tool

jkdefrag-defragmentor-screenshotJKDefrag portable is a very simple easy to use free defragmenter. An open sourced software tool that can be used to defragment your local hard disks, floppy disks and even USB flash drives or external hard drives.

Power Defragmenter - Portable Defragmenter

power-defragmenter-screenshotPower Defragmenter is a graphical defragmenting tool that works in conjunction with Contig by Sysinternals. Contig is a powerful command line portable defragmentation application developed for Windows NT/2000/XP operating systems.

UltraDefrag - Disk Defragmenter

UltraDefragUltraDefrag is a free portable disk defragmenter for Windows. Unlike some defragmentation tools, this powerful open source defragmenter can perform boot time defragmentation.

HDiskDefrag Easily Defragment Files

HDiskDefrag popHDiskDefrag is a tiny portable defragmenter. A tool that can be used to quickly and easily defragment the files on hard drives, disks, and partitions to help keep things working efficiently.