WinDirStat
A disk usage analyzer and cleanup tool for Windows with treemaps, duplicate finding, and file recovery
Free · Open sourceLatest versionWindows
About WinDirStat
WinDirStat is a disk usage analyzer and cleanup assistant for Microsoft Windows. You can scan drives, folders, network shares, or connected MTP devices, then explore where your space went through sortable file lists, file-type statistics, and interactive treemaps, sunbursts, or flame graphs.
It helps anyone who wants to free up space or understand what is filling a drive. Find large or duplicate files, inspect permissions, estimate storage costs, export reports, and run cleanup or deleted-file recovery tools, with dark mode and Explorer integration available for everyday use.
Highlights
- Scan multiple drives or folders together, with pause and resume
- Interactive treemaps, sunbursts, and flame graphs
- Duplicate file detection using configurable hashes
- Search and filter scan results by name, size, type, owner, or age
- Recover deleted files from local NTFS, exFAT, and FAT drives with administrator access
- Save scans as CSV or JSON and export reports from the command line
Description adapted from the project README.
- Version
- release/v2.9.3
- Updated
- Oct 11, 2026
- Size
- 1.4 MB to 1.6 MB
- License
- GNU GPL 3.0
Open source details
- Source code
- Exact source for release/v2.9.3
- Released
- Oct 11, 2026
- GitHub stars
- 4.3K
- Website
- windirstat.net
Community project. Help and bug reports go to the maintainers on GitHub; AppsXi does not provide support for this app.
License
CopyleftGNU GPL 3.0
Use and change it freely; anything built from it must be shared under the same license, with its source.
Read the full licenseHow this app was checked
AppsXi checks every version before it is listed.
Signed by Open Source Developer Bryan Berns
Certificate from Certum Code Signing 2021 CA,O=Asseco Data Systems S.A.,C=PL
Signature is timestamped
All bundled programs are signed
File matches the hash GitHub published
SHA-256 5e49d4be349ac3812943e2a26f86b26165f7026da4f33de87910592939a6efc3
Part of GitHub's immutable release release/v2.9.3
GitHub signed that this file belongs to that release of windirstat/windirstat, so it cannot be swapped later.
No malware found
ClamAV 1.5.4 on Oct 13, 2026
Install and behavior test in a virtual machine: not run yet
Coming soon for all listings.
Versions
release/v2.9.3checked
Checked Oct 13, 2026 · Windows
MSIX · 1.4 MB, MSIX · 1.6 MB
Questions about WinDirStat
Is WinDirStat free?
Yes. WinDirStat is free and open source under the GNU GPL 3.0. AppsXi lists the maintainers' official release and does not charge for it.
Is WinDirStat safe to download?
AppsXi downloads every version of WinDirStat from the maintainers' official GitHub release and checks it before it is listed. For version release/v2.9.3 (checked Oct 13, 2026), the Windows download is Authenticode signed, each file matches the checksum GitHub publishes for the release, byte for byte and a malware scan found nothing.
Who makes WinDirStat?
WinDirStat is an open source project by WinDirStat Team on GitHub (windirstat/windirstat). Help and bug reports go to its maintainers there.
Reviews
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