10 Best Disk Space Analyzer For Windows

Mainly Disk Space Analyzer is a graphical illustration of the windows explorer tree. The software adds all your files and folders and organizes them in well-ordered groups of boxes (or graphic shapes).

Whereas the boxes symbolize files in these folders, and the boxes’ sizes represent the folders’ file size. So users can easily set up the massive files that use your disk space and hurt your PC performance.

Here are the seven best and most free disk space analyzers for windows.

Best Disk Space Analyzer for Windows


Windirstat - disk space analyzer for windows

WinDirStat is a free disk Space Analyzer and cleanup tool for Windows released under the GNU General Public License. It lets you scan your entire hard disk or just a folder to analyze and show you all your files and folders in a tree list, such as KDirStat or SequoiaView.  – Download



SpaceSniffer is one of the best disk space analyzers for windows that helps you understand the structure of files and folders on your hard drives. It uses the treemap visualization layout to create a map, where you can quickly imagine how and where big folders and files maintain the space on your hard drive. The area of each rectangle is equal to that file size. It would help if you double-clicked on any rectangle to see the inside subfolders; that was the best feature of SpaceSniffer. – Download

Folder Size

Folder Size for windows

Folder Size for Windows is free software that quickly adds a new column to your windows explorer. It gives detailed reports about your files and folders, such as file size, name, etc. The software automatically scans your hard disk in the background and caches the results to give you better performance. – Download

Free Disk Analyzer

DiskAnalyzer - disk space analyzer for windows

With this tool, User can manage their files & folder and improve disk space by moving the most extended files on their disk. You can quickly check your most extended files, such as videos, photos, and archives, and transfer them elsewhere. However, You can also delete unnecessary files to optimize your disk space. All your files and folders are shown in an easy-to-use, user-friendly interface with mind-blowing visual graphs.


  1. Finds the largest files within the selected drive or folder
  2. Finds largest folders by folder size, average file size, or number of files
  3. Presents data visually via graphs
  4. It looks and feels like part of Windows
  5. Safe product, no adware, spyware, or malware



GetFolderSize - disk space analyzer for windows

GetFolderSize is a free window disk space analyzer to find which programs or files take more space on your PC. Each folder shows you the total file size and the number of files and subfolders in the folders. GetFolderSize will scan the selected drive and show you a list with all the folders and their corresponding size. Then, if you click on any of those folders, the contents might be on the right pane. The analysis can take a while, especially if you’re working with large folders.



RidNacs - disk space analyzer for windows

RidNacs is a free disk space analyzer for windows that scan your local drives, network drives, or single directories and provides a tree view with a percentage bar chart column. With this software, users can easily & quickly analyze and identify the most extended files and folders on their PC.

That is why it is one of the best disk space analyzers to clean up the disk and discover the space hogs on your hard drive. So that makes RidNacs your best companion if you want to clean up the disk and you need to find the space hogs on your hard drive.

You can export the scan in different formats (XML, HTML, CSV, TXT), so it can be printed or compared with future scans. Besides all these benefits, RidNacs has an outstanding scan performance and scores with a small memory footprint.



Scanner disk space analyzer

The scanner is a lightweight, easy-to-use portable disk space analyzer that uses a unique concentric pie chart to display your hard disk or other media usage.

The Pie Chart shows all primary small and big-size files and folders from all directory levels. – Download


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