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Windows Directory Statistics

A disk usage statistics viewer and cleanup tool for Windows

5.0 Stars (178)
16,830 Downloads (This Week)
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WinDirStat (Windows Directory Statistics) is a disk usage statistics viewer and cleanup tool for Windows. On start up, WinDirStat reads the whole directory tree once and then presents it in three useful views:

- The directory list, which resembles the tree view of the Windows Explorer but is sorted by file/subtree size,
- The treemap, which shows the whole contents of the directory tree straight away,
- The extension list, which serves as a legend and shows statistics about the file types.

Visit the WinDirStat blog for more up-to-date information about the program.

Note: If you are looking for an alternative to WinDirStat for Linux, then you are looking for KDirStat (apt-get install kdirstat on Debian-derivatives), and the alternative to WinDirStat for MacOS X is Disk Inventory X or GrandPerspective.

Windows Directory Statistics Web Site


  • Directory list view
  • Treemap view
  • Extension list view


User Ratings

ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
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User Reviews

  • maxencebunel
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    The kind of project that deserve to be reviewed even when you never take time to review projects. Using this for nearly 13 years so far i can remember. For sure one of the first usefull program to make use of DataViz techniques to help your brain sort out huge amount of every day datas. A must have

    Posted 01/10/2016
  • guillaumecombot
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    awesome work, thank you!

    Posted 11/22/2015
  • milind2mb
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Big relief I was having hard time to find the directory consuming most space. This was exactly what I needed. Thank You.

    Posted 08/28/2015
  • parent55
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    I have been using WinDirStat for years with good results. However, today Windows said I was almost out of space on my System disk (Samsung SSD 1 TB). I used WDS to look for the offending files and was surprised when there was a little over 300 GB difference between Windows report of space used and WDS report (yes the swap file and hibernate are included in both reports). I hope another user of WDS can suggest why there is such a large discrepancy between the Windows and WDS space utilization reports. Thanks in advance. Hmmm, no idea why, but Windows has found more free space and now the two are reporting about the same amount of used / free space. Would be nice if WDS compared what it found to what Windows is reporting and at least acknowledged the discrepancy, if/when it exists. Thanks everyone.

    Posted 08/12/2015
  • nickapple
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Perfect. Works without any problem on Win 8.1 64 bit. Does its job and provides all info needed to handle data on disk. Easy to install and use. Thank you! Keep on the great work!

    Posted 07/25/2015
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Additional Project Details


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Intended Audience

System Administrators, End Users/Desktop

User Interface

Win32 (MS Windows)

Programming Language



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