8 Best Free WinDirStat Alternatives for Windows in 2021

Today everything is on computers and technology is always undergoing the changes. There are many parts of the computer. Amongst these, the hard-disk is the most important component of any computer. The disk is the only thing that can store any data and pictures. It is as essential as any other part of the computer.  Disk space helps in running the computer smoothly. One always needs proper disk space to have a smooth functioning of all applications. It is impossible to imagine a computer without a disc.

Best Windirstat Alternatives

Windirstat has emerged as the clear winner. It is a free open-source disk analyzer. It works efficiently on the windows system. This is beneficial in giving a proper subtree view with disk usage percentage. However, there are other alternatives than WinDirStat which perform the same function. These alternatives work equally well in your windows system as well as WinDirStat.

List of Best yet Free WinDirStat Alternatives

If you want to have a seamless disk it is good to have WinDirStat alternatives for disk management. This is a good option if you don’t want to go to WinDirStat. It is time to read more to find about these alternatives.

Space Sniffer

It is a tool application as well as an optimum disk analyzer. This is a portable application. This is a good option over WinDirStat. Space sniffer is an ideal disk analyzer that works on laptops and Windows desktops. Space sniffer is right for professionals as well as beginners.

Key features

  • It works with a modern visualization pattern. This helps in understanding the disk better. A good visualization shows you what’s on the hard disk giving us knowledge of what’s important.
  • When you want to put a tag on filters for analysis. Space sniffer allows you to do this work.
  • Sometimes it is not possible to locate large files on disk. Space sniffer pinpoints the exact location of large folders on disk. It saves you time.
  • It uses a treemap visualization design like a WinDirStat.
  • There is also the possibility of folder scanning on space sniffer. When one scans the folder, it shows us the proper disk usage.
  • The best part is one can navigate while running the scan. This doesn’t keep you away from work and lets you know the status of the disk.
  • Easy navigation makes it very effective and potent. One no longer has to spend hours to navigate such a device.
  • Space sniffer too uses zoom elements like a web browser. Its zooming facility is great.
  • Everyone is looking for a personalized analysis. With space sniffer, it is possible to personalize it in geometrical shapes and colors.

Interesting fact

You don’t need to install it manually. It works well without Installation. This is a must for every windows user whether you have an old or the latest PC.

System support:  Windows 10, XP, Vista, 7 and 8.
Price: Freeware
Download link: http://www.uderzo.it/main_products/space_sniffer/
File Size: 1.6 Mb


It is developed by the jam software for the windows system. The disk is an important part of any system. It needs to be in a healthy condition to manage a good computer. This is ideal for you if you want to have a good disk space allocation.

Key Features.

  • Treedisk is best in showing the proper usage of a disc on windows computer.
  • In return, it helps in optimizing the disc.
  • Sometimes one needs to view a thing in the context. It helps in understanding the disc. One can start TreeSize’s contact menu from any folder.
  • When you want a quick scanning of a folder or a file. It is good to use TreeSize as scanning is done in threads here.
  • One can also work in dark mode on tree size. This helps in saving power.
  • This folder works in an expandable mode like the explorer.
  • It allows the possibility of configuring, drag and drop operations.
  • It is 100% clean hence safe to install for anyone.

Interesting facts.

This is the only WinDirStat alternative which is available in multiple languages like Greek, Finnish and Slovenian.

System support: It works well with Windows 10 and all versions.
Price: It’s available for free download.
Download link: https://www.jam-software.com/treesize_free
File Size: 9.85 Mb

Folder Size

This is developed by brio, especially for windows PC. It’s the best disk cleaner and folder scanner to date.  It gives a detailed view of a column in the explorer itself. This is a must-have app for you.

Key features

  • There is a provision of shell extension augments. It highlights the correct folder and size on the disk.
  • The correct folder size helps in identifying and diagnosing the problems of the disc.
  • You want to know which folders you have viewed.
  • It’s here that it helps in tracking the viewed folders as well as scans it in background.
  • Sometimes you need to do a complete disc clean up. This maintains the health of the disk.
  • Folder size plays an optimum role in the disk clean up. This eases up the disc cleaning process. You may not end up deleting something important.

Interesting fact

Folder size is the best app for everyone desiring a healthy computer.

System support: It works with Windows 10/8/7/Vista/XP/98
Price: It is free.
Download link: http://www.folder-size.com/
File Size: 288 Kb


This is the most advanced WinDirStat alternative to date. It works well with windows. You no longer have to rely on WinDirStat. It is an ideal disk cleaning application. Wiztree is highly successful in locating files and folders on the disk. This is the most advanced WinDirStat alternative to date and is a must for every Windows system user.

Key features

  • Sometimes one wants to read hard disks. Wiztree can read hard drive MTF from within the disk. This is a hidden file that can’t be read without a proper tool.
  • It is a very quick working application and analyses disk space very quickly.
  • One can also delete files and folders with the help of Wiztree software. This software is ideal for anyone who wants a safe process of deleting important folders.
  • Computer disks have large as well as small files. Wiztree helps in finding 1000 large files on your hard drive.
  • It is also possible to import CSV data in Wiztree. This import facility is not available on every Windirstat alterative.
  • A good disk app needs to be a scanner as well. Wiztree helps in scanning any file types in the system.

Interesting fact

It is an efficient system that also scans the hidden files bypassing the operating system itself.

System support: Windows XP, Vista, Windows 7,8 and 10.
Price: Free
Download link:  https://antibody-software.com/web/index.php
File Size: 3.39 Mb


This disk cleaning tool is developed by JD goodies. It is good in understanding the space taken up by files and directories on the hard disk.

Key features

  • It is a very good disk analyzer. This helps in understanding the proper disk usage.
  • Statistics work in everything and it works in the JDisk report as well. It is an effective statistics collector.
  • It offers a seamless synchronization with amazon drive.
  • As it works well with amazon drive it maintains the optimum disk health of amazon as well as other portable devices.

Interesting fact

This is an ad-free software which is free for life. Jdisk is good if you are looking for a good synchronization as well as a statistics collector.

System support: Windows 10, 8, 7, XP
Price: Freeware
Download link:  http://www.jgoodies.com/downloads/jdiskreport/
File Size: 0.6 Mb

Directory size calculator

It is yet another variant of the Windirstat alternative. This is the ideal option for you. It’s very good for a computer’s internal directory size. When you know the size of the disc on it is a good indicator of a healthy disc.

Key features.

  • It is designed very simple so that anyone can use it. It’s good even for beginners.
  • There is a possibility of a very quick folder analysis.
  • If you have to check folder size one has to click on every folder.
  • It displays the size of the disk subdirectory in GB and MB format.

Interesting facts.

This is one app that can be used by every windows system user.

System support: Works with Windows 7, 8, Vista and 10.
Price: You can download it for free.
Download link: https://directory-size-calculator.en.softonic.com
File Size: 214 Kb


It’s yet another entrant in disk cleaning software.  This software has the capability to find duplicate or obsolete files on the system. This is a very easy tool which is a must on every hard drive. Its design is its highest downloading point.

Key features.

  • It is beneficial in studying your hard drive’s disk space.
  • If some folder is taking more space sometimes one wants to delete it. This app allows you to delete extra or unused folders.
  • Also, it helps in finding the duplicates which take up excess space in the computer hardware.

Interesting facts

It is the highest-rated software. This is the most-liked and preferred an alternative to Windirstat.

System support: It works only on Windows and Android.
Price: Free version is available.
Download link: https://spyglass.en.softonic.com
File Size: 6.6 Mb


This is another alternative to windirstat which plays a crucial role in disc management. Disktective is a must if one wants to save space and find used space on the computer. It is good and works very well with windows desktop.

Key features.

  • It is good at finding the size of one’s directory.
  • At the same time, it also shows the way in which used files have been distributed.
  • It makes a complete and detailed analysis of the directory’s size and sub size.
  • This reads all the file size on your windows system.
  • It is primarily a reporting tool for directories on the computer.
  • One can navigate the directory tree and have a pie chart on it.
  • This can be printed in colors.
  • This can also be exported as an HTML file and a tree pad file.

Interesting fact.

It works without any kind of installation.

System support: It supports Windows 7,8 and 10.
Price: It is available for free download.
Download link:https://www.snapfiles.com/get/disktective.html
File Size: 413 Kb


Everything is being done on computers these days. This takes the heaviest toll on your computer hard disc. In such times it becomes more than ever to have a clean and safe disc. These form a good option if you don’t want to go for WinDirStat.

It makes sense to make it a part of your windows computers as it not only ensures its safety but also give it a neat and clean disc. It is totally free and you can change when you want it.

This article attempts to show you the best advantages of various alternatives for WinDirStat. It eases the process of choice. So, go ahead and indulge in the revolution called WinDirStat alternative. When you use these alternative ones will no longer need WinDirStat ever.



Founder and Writer @ WinOSBite. Future plan is to make this platform open to community to resolve and discuss various issues, usage related to Operating System.

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