Fastest Disk Space Analyzer

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Disk Space Fan on Gizmo's Freeware :
"The initial scan took about a minute. Shows major directories and pagefile.sys as different colours. You can click on the graph and drill down. ..." Link
Disk Space Fan on :
"Windows only: Free utility Disk Space Fan analyzes your hard drive usage to help you determine what's taking up space on your hard drive, representing it all with fancy visualization eye candy." Link reviewed Disk Space Fan :
"All-in-all, it is one complete utility to analyze the content of local drives and folders. The disk visualization with great animation manages to make it easy for users to sort out files and folders quickly." Link
49 Reasons introduces Disk Space Fan:
"All in all it's a pretty nifty program that will analyze all of your drives including a CD/DVD." Link


Disk Space Fan 4 is a fast disk space analyzer and duplicate file remover software. It helps you to free up disk space by quickly finding and deleting big files. It displays disk space usage with a eye-candy ring chart and dynamic animation. You can navigate the folders easily with the ring chart. It integrates well with Windows file explorer to open, delete and browse files and folders.
Fantastic visualization
Fantastic Visualization
Disk usage visualization with fantastic animation.
Managing disk space is no longer a dull work.

Finding useless files easily
Finding Big and Duplicate Files Easily
Folders and files are sorted by their size. Duplicate files are side-by-side listed.
Various types of filters can apply. You can catch "bad guys" easily.

Integrated with Windows Explorer
Integrated with Windows File Explorer
Browse, open, and delete, all actions are same as using file explorer.
File details are shown in mouse-hover pop ups. Quickly knowing what you have on your disk.