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SPECIFICTION
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InstallerClean

github.com

Free plan Windows
Visit github.com
Spec score 8.3 #5 of 35 in Software Uninstaller Tools

What it is

InstallerClean scans .msi and .msp files directly in C:\Windows\Installer to identify candidates for removal and reclaim disk space. It checks Windows Installer records and registry information, withholding files when those checks cannot establish that removal is safe. Users can move identified files to a chosen backup folder or delete them permanently. Downloads include portable, setup, and command-line builds; the setup option bundles the graphical interface and CLI. The command-line version supports scan, move, and delete operations for scripting and scheduled tasks, and reports exit codes and Windows Event Log events. InstallerClean is free and open source under Apache 2.0. It requires 64-bit Windows 10 version 1607 or later, or Windows 11, and administrator privileges. It does not scan subfolders or clean the WinSxS folder, and it has no background service, scheduled task, or automatic cleanup. Downloads are unsigned, so Windows may show an unknown-publisher warning; release pages provide SHA-256 hashes and VirusTotal scan results.

Spec sheet

Purpose
InstallerClean scans C:\Windows\Installer for unneeded Windows Installer files so users can reclaim disk space.Read 11 Oct 2026 · github.com
Intended users
The maker describes it for Windows users whose C:\Windows\Installer folder has accumulated unneeded files, including machines with heavy MSI-based software or frequent software installs and removals.Read 11 Oct 2026 · github.com
Security
The downloads are unsigned, and release pages provide SHA-256 hashes and VirusTotal scan results.Read 11 Oct 2026 · github.com
Privacy
The app checks GitHub for a newer version when launched, and its first-run anonymous report can be disabled on the results screen.Read 11 Oct 2026 · github.com
Support
Users can report bugs or suggestions through GitHub issues or discussions; donations are optional.Read 11 Oct 2026 · github.com
License
The project is open source under the Apache 2.0 license.Read 11 Oct 2026 · github.com
Accessibility
The maker says the app supports keyboard and screen-reader use and that its dark-theme text meets WCAG AA contrast.Read 11 Oct 2026 · github.com
Automation
The command-line build supports scan, move and delete operations for scripting and scheduled tasks.Read 11 Oct 2026 · github.com
Builds
Downloads include portable, setup, and command-line builds; setup bundles both the GUI and CLI.Read 11 Oct 2026 · github.com
Builds and integrations
Downloads include portable, setup and command-line builds, with installation also available through winget and Scoop.Read 11 Oct 2026 · github.com
Cleanup options
Users can move identified files to a chosen backup folder or delete them permanently.Read 11 Oct 2026 · github.com
File types
It scans .msi and .msp files located directly in C:\Windows\Installer, without scanning subfolders.Read 11 Oct 2026 · github.com
Known limits
InstallerClean does not clean the WinSxS folder and does not run as a background service, scheduled task or automatic cleaner.Read 11 Oct 2026 · github.com
Network activity
The app checks GitHub for updates when run, and that check can be turned off in About.Read 11 Oct 2026 · github.com
Notable limit
InstallerClean does not clean the Windows WinSxS folder and has no background service, scheduled task, or automatic cleanup.Read 11 Oct 2026 · github.com
Removal options
Users can move offered files to a chosen backup folder or delete them permanently.Read 11 Oct 2026 · github.com
Report contents
The optional report contains scan and cleanup results, app and language versions, and Windows version, but no file names, folder names or account name.Read 11 Oct 2026 · github.com
Requirements
It requires 64-bit Windows 10 version 1607 or later, or Windows 11, and administrator privileges.Read 11 Oct 2026 · github.com
Safe file checks
It checks Windows Installer and registry records and holds back files when those records cannot establish that they are safe to remove.Read 11 Oct 2026 · github.com
Safe identification
It checks Windows Installer records and the registry, and holds back files when it cannot determine whether they are needed.Read 11 Oct 2026 · github.com
Scripting
The CLI supports scan-only, move, and permanent-delete operations, and reports exit codes and Windows Event Log events.Read 11 Oct 2026 · github.com
Security checks
The maker says each download has a SHA-256 hash on its release page and builds are scanned by VirusTotal before release.Read 11 Oct 2026 · github.com
Security support
Only the latest release receives fixes, and vulnerability reports should be submitted through a private GitHub security advisory.Read 11 Oct 2026 · github.com
Signing status
The downloads are unsigned and Windows may show an unknown-publisher warning; the project says it has been accepted for free code signing, but the certificate has not yet been issued.Read 11 Oct 2026 · github.com

Plans and prices

InstallerClean Free Windows 10 version 1607 or later · 64-bit Windows · Administrator privileges Read 11 Oct 2026 · github.com

Every InstallerClean plan and price →

Strong points and limits

Strong points

  • Checks installer records and registry information before offering files.
  • Can move files to a backup folder or delete them.
  • Portable, setup, and command-line builds are available.
  • CLI supports scripting and scheduled tasks.
  • Free and open source under Apache 2.0.

Limits

  • Scans only files directly in C:\Windows\Installer.
  • Does not clean the WinSxS folder.
  • No background, scheduled, or automatic cleanup.
  • Unsigned downloads may trigger an unknown-publisher warning.

Who it suits

InstallerClean suits Windows users with accumulated files in C:\Windows\Installer, including machines with heavy MSI-based software use or frequent installs and removals. It requires administrator privileges.

Verdict

InstallerClean offers cautious identification and both backup and permanent-removal options, with a CLI for automation. Its scope is limited to files directly in C:\Windows\Installer, and removal requires administrator privileges.

Where Specifiction places it

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