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WinDirStat

Free, open-source disk usage analyzer for Windows

FreeUtilitiesChecked Oct 9, 2026

What is WinDirStat?

WinDirStat is a free, open-source disk usage analyzer and cleanup assistant for Microsoft Windows. It scans drives, folders, network shares or MTP devices and shows what takes up the space through a list of the largest files, file-type statistics and visualizations such as a treemap. It can also search for files and duplicates, export CSV or JSON reports and run cleanup tools. It is licensed under the GNU GPL v3 or later and is free in personal and commercial settings.

WinDirStat is free to use. See every plan

Good for

  • Finding out what is filling a Windows drive at no cost
  • Companies that want a free tool: commercial use is allowed
  • Administrators exporting CSV or JSON reports from automated scans

Worth knowing

  • Windows only; the site points Mac and Linux users to other open-source tools such as GrandPerspective and QDirStat.
  • It is developed and tested for Windows 7 through 11 and Windows Server 2008 R2 through 2025; other versions are not supported.
  • The accelerated NTFS scan needs the app to be run elevated.
  • File recovery is described as an attempt and covers only local NTFS, exFAT and FAT drives.

Key features

Scanning
Scans multiple folders, drives, network shares or MTP devices in one pass. Running elevated speeds up scans of local NTFS drives.
Disk usage views
Shows the largest files and file types alongside treemaps, sunbursts and flame graphs, and compares logical with physical sizes.
Search and duplicates
Searches by name, size, type or owner. Duplicates are found by comparing content hashes, with optional sparse hashing for probable matches.
Reports and monitoring
Scan snapshots can be saved and reopened, reports exported as CSV or JSON, scans automated, and file-system changes watched.
Cleanup and recovery
Runs cleanup tools on selected items and can attempt to recover deleted files from local NTFS, exFAT and FAT drives.
Permissions and storage analytics
Inspects permission entries and estimates storage tier costs from file sizes and modification ages.

WinDirStat pricing

Starts at
Free
Free plan
The whole app is free software under the GNU GPL v3 or later. The site says it can be used free of charge in personal or commercial settings.
Free trial
None listed
WinDirStat$0The complete app as x64, x86 and ARM64 installers, portable archives, a Microsoft Store package, or through winget, Chocolatey or Scoop.

Read from windirstat.net on Oct 9, 2026. Prices change, so confirm with WinDirStat before you buy.

Pricing in detail

Works with

  • Microsoft Store
  • WinGet
  • Chocolatey
  • Scoop

WinDirStat alternatives

Common questions

Is WinDirStat free?

Yes. WinDirStat is free to use. The whole app is free software under the GNU GPL v3 or later. The site says it can be used free of charge in personal or commercial settings.

How much does WinDirStat cost?

WinDirStat lists one plan. WinDirStat: $0. Prices were read from windirstat.net on Oct 9, 2026.

What platforms does WinDirStat work on?

WinDirStat is available on Windows.

Does WinDirStat have an Android app?

No Android app was listed when its pages were read on Oct 9, 2026. WinDirStat is listed for Windows.

Does WinDirStat have an iPhone app?

No iPhone app was listed when its pages were read on Oct 9, 2026. WinDirStat is listed for Windows.

Is WinDirStat open source?

Yes. WinDirStat is open source, according to its own site.

What does WinDirStat integrate with?

WinDirStat's listing names Microsoft Store, WinGet, Chocolatey and Scoop. A listing names up to eight integrations, so it may connect to more.

Who makes WinDirStat?

WinDirStat is made by WinDirStat Team. It dates from 2003.

What are the alternatives to WinDirStat?

The closest alternatives to WinDirStat in our directory are WizTree, DaisyDisk, BleachBit and CCleaner. Each one has a side-by-side comparison with WinDirStat.

Sources for this page

The prices, plans, platforms and features above were read from these pages on Oct 9, 2026.