OpenClean shows an honest picture of your Windows PC and cleans only what you choose - temp files, caches, startup entries, duplicates and more. No fake speed boosts, no invented problems, no account, no background service, and no telemetry. Every number you see is a real measurement. Free and open source; a portable single-file build runs from a USB stick with no installation and no .NET required
Publisher’s description
What is OpenClean?
OpenClean by DaonWare is open-source Windows software in the cleaners & uninstallers category. It is written in C#.
Installation and requirements
The publisher provides EXE (Inno Setup) installers for 64-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 1.3.0, released on July 22, 2026. The version history goes back to July 21, 2026: 3 releases, all linked to the official files.
Popularity and file types
The source code on GitHub (daonware-it/OpenClean) has 1 stars. Similar programs include CCleaner 7, OSSEC HIDS and IObit Uninstaller.
Project description on GitHub: “Honest system cleaning for Windows — real measurements, no telemetry, no dark patterns.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: OpenClean is an open-source cleaners & uninstaller tool for 64-bit PCs. Administrators can deploy it unattended.
Is OpenClean safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
4707DEFA7C8AAE8D532BE7628A92721E58E7885CE73ECECD73CEAEBC9F0BD136· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 3 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 1.3.0Latest | July 22, 2026 | — | 64-bit EXE (Inno Setup) |
| 1.2.0 | July 16, 2026 | — | 64-bit EXE (Inno Setup) |
| 1.0.0 | July 21, 2026 | — | 64-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id DaonWare.OpenClean -eOpenClean-Setup-1.3.0.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- DaonWare
- Category
- Cleaners & uninstallers
- Licence
- MIT
- Price
- Free
- Source code
- github.com/daonware-it/OpenClean
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (Inno Setup)
- Version
- 1.3.0
- Released
- July 22, 2026
- Added to the catalogue
- July 21, 2026
- Versions listed
- 3
- GitHub stars
- 1
- Website
- github.com
- winget ID
- DaonWare.OpenClean
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is OpenClean free?
Yes. OpenClean is open-source software under the MIT licence.
Is OpenClean safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install OpenClean with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can OpenClean be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does OpenClean run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of OpenClean?
The versions page lists all 3 versions with links to their official installer files, back to July 21, 2026.
What are alternatives to OpenClean?
CCleaner 7, OSSEC HIDS, IObit Uninstaller, Windows Memory Cleaner and Geek Uninstaller. The alternatives page compares them.
