The best free disk utility software for your Windows PC

Keeping your hard drive well maintained is a must for every PC owner. If you don't, you run the risk of encountering problems down the line. With that in mind, we've compiled this small collection of disk utilities that can help with everything from more efficient defragging, through to analysing what lives on your hard drive.

This program has one goal: To put your files where they belong, so programs start faster and your system response and performance is all it should be.

You don't have to defrag an entire hard drive at once. Defraggler can target specific folders or files (which is great for gigantic files like videos). Schedule it to run whenever you want.

Looking at directories doesn't tell you everything, but a beautiful pie graph can help. Disk Space Fan's free version will diagram your drive and let you drill down to what's stored.

You don't need to reboot Windows to partition parts of the hard drive or combine partitions into one, all without losing any data.

Optimised for quick defragmentation of your drive and able to run in the background, Smart Defrag also throws in a boot-time defrag stage for handling special files that can't be moved when using Windows.

Defrag not just your drive but also the Windows registry with the open source program UltraDefrag. Use the boot-time interface, a command line, or the full GUI with standard cluster map – then get a full report on all your fragmented files.

Still among the prettiest reports you'll ever see about your disk usage, WinDirStat's cluster map shows a graphically-pleasing rectangle for each file, in proportion to the size it takes up on the drive, with folders represented by grouped rectangles.


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