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ValleySoft Disk Analyzer

Free plan Windows

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What ValleySoft Disk Analyzer is

ValleySoft Disk Analyzer is a free, open-source Windows utility for examining drive and folder usage. Its standalone GUI shows interactive donut and bar charts for folder-size distribution. It can find a drive’s 100 largest files and filter files over 100 MB that have not changed for at least 12 months. Results can be exported to CSV, and selected files or directories can be sent to the Windows Recycle Bin. The project also provides a PowerToys Run plugin, Windows Command Palette extension, and File Explorer context-menu integration. The PowerToys Run plugin requires Microsoft PowerToys 0.97.0 or later. Windows 10 and Windows 11 are supported on x64 and ARM64. Analysis is described as read-only and does not modify system files. Installation options include MSIX, Microsoft Store, WinGet, standalone installer, ZIP, and source build. The plan costs nothing.

Who it suits

This utility suits Windows users who need visual storage analysis, large-file finding, CSV reports, or PowerToys and Command Palette access. It supports x64 and ARM64 systems running Windows 10 or 11.

What it does well

  • Interactive donut and bar charts
  • Finds 100 largest files
  • Filters old files over 100 MB
  • Exports results to CSV
  • Multiple installation methods

What to know first

  • Windows-only software
  • PowerToys plugin needs version 0.97.0 or later
  • Only latest release receives security updates

Plans

PlanBilled and limitsPrice
ValleySoft DiskAnalyzerWindows 10/11 · x64 or ARM64 · PowerToys Run plugin requires PowerToys v0.97.0 or laterFree

As github.com lists them, read 12 Oct 2026. The maker's own page has the final word.

Verdict

ValleySoft Disk Analyzer provides read-only storage analysis with visual reports, large-file filters, exports, and Windows integrations. It is free and open source, but its platform support is limited to Windows.

Facts from ValleySoft Disk Analyzer's own pages

Architecture support
The project lists Windows 10 and Windows 11 on x64 or ARM64 as supported platforms. · github.com, 12 Oct 2026
Data handling
The project describes disk analysis as read-only and says the app never modifies system files. · github.com, 12 Oct 2026
Exportable reports
Yes · github.com, 22 Sept 2026
File actions
Users can export scan results to CSV and send files or directories to the Windows Recycle Bin from the app. · github.com, 12 Oct 2026
Installation
The project offers MSIX, Microsoft Store, WinGet, standalone installer, ZIP, and source build installation options. · github.com, 12 Oct 2026
Integrations
The project provides integrations with PowerToys Run, Windows Command Palette, Windows File Explorer context menus, Microsoft Store, and WinGet. · github.com, 12 Oct 2026
Large files
The app can scan a drive for its 100 largest files and filter for files over 100 MB that have not been modified in 12 or more months. · github.com, 12 Oct 2026
Notable installation detail
The README says the sideloaded MSIX is signed with a self-signed certificate and may require trusting that certificate or enabling Windows Developer Mode. · github.com, 12 Oct 2026
Desktop platforms
windows · github.com, 22 Sept 2026
PowerToys requirement
The PowerToys Run plugin requires Microsoft PowerToys v0.97.0 or later. · github.com, 12 Oct 2026
Purpose
DiskAnalyzer analyzes drive and folder usage through a standalone GUI, a PowerToys Run plugin, and a Windows Command Palette extension. · github.com, 12 Oct 2026
Scan scope
files_folders · github.com, 22 Sept 2026
Security updates
The security policy says only the latest project release receives security updates and lists version 1.5.x as supported. · github.com, 12 Oct 2026
Support
The support page directs users to email [email protected] and asks bug reports to include Windows version, app version, and an issue description or screenshot. · github.com, 12 Oct 2026
Visual analysis
The standalone app includes interactive donut and bar charts for visualizing folder size distribution. · github.com, 12 Oct 2026
Vulnerability reporting
The project asks users to report vulnerabilities through GitHub private vulnerability reporting and says it will acknowledge reports within 48 hours and provide a status update within seven days. · github.com, 12 Oct 2026

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