Block spying and tracking on Windows systems.
Publisher’s description
What is WindowsSpyBlocker?
WindowsSpyBlocker by CrazyMax is open-source Windows software in the firewall & privacy category. It ranks 13th by popularity among firewall & privacy in this catalogue. It is written in Go.
Installation and requirements
The publisher provides Portable installers for 32-bit Windows. It runs without installation (portable).
Popularity and file types
The Chocolatey package has been downloaded 21,659 times. The source code on GitHub (crazy-max/WindowsSpyBlocker) has 5,234 stars. Similar programs include OnionShare, Portmaster and dnscrypt-proxy.
Project description on GitHub: “Block spying and tracking on Windows”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Large user base
Cons
- No native ARM64 build
- 32-bit only
- No update for more than a year
In short: WindowsSpyBlocker is an open-source firewall & privacy tool for 32-bit PCs. Updates have slowed down.
Is WindowsSpyBlocker 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:
D4F1508A538ABEF4ABA7365687D69636D4AF3D030F4EEE652C1640B1FEFBCDC1· 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
Security practices (OpenSSF Scorecard)
Automated checks of the crazy-max/WindowsSpyBlocker repository on GitHub by the Open Source Security Foundation, last run on August 15, 2022.
- No known vulnerabilities10
- Dependency update tool10
- Licence declared10
- No dangerous workflows10
- No binaries in the repository10
- Code review5
- Actively maintained5
- Pinned dependencies5
- OpenSSF Best Practices badge0
- Signed releases0
- Branch protection0
- Restricted token permissions0
- Security policy0
- Fuzzing0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 4.39.0.0Latest | August 11, 2025 | — | 32-bit Portable |
Install from the command line
Silent install ›winget install --id CrazyMax.WindowsSpyBlocker -echoco install windowsspyblocker -yscoop install extras/windowsspyblockerProgram files (.exe): windowsspyblocker.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- CrazyMax
- Category
- Firewall & privacy
- Licence
- MIT
- Price
- Free
- Source code
- github.com/crazy-max/WindowsSpyBlocker
- Written in
- Go
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- Portable
- Version
- 4.39.0.0
- Released
- August 11, 2025
- Added to the catalogue
- August 11, 2025
- Versions listed
- 1
- Chocolatey downloads
- 21,659
- GitHub stars
- 5,234
- GitHub forks
- 396
- Website
- crazymax.dev
- winget ID
- CrazyMax.WindowsSpyBlocker
- Chocolatey package
- windowsspyblocker
- Scoop package
- extras/windowsspyblocker
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to WindowsSpyBlocker
See all ›-
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Fort Firewall3.20.8An effective firewall designed for Windows 7 and later versions, offering both simplicity and robustness.Open source155 ↓ -
GreenTunnel3.0.5GreenTunnel is an anti-censorship utility designed to bypass the DPI system that is put in place by various ISPs to block access to certain websites.Open source854 ↓
Frequently asked questions
Is WindowsSpyBlocker free?
Yes. WindowsSpyBlocker is open-source software under the MIT licence.
Is WindowsSpyBlocker 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 WindowsSpyBlocker 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.
Does WindowsSpyBlocker run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
Can I use WindowsSpyBlocker without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to WindowsSpyBlocker?
OnionShare, Portmaster, dnscrypt-proxy, DingTalk Workspace CLI and Prey Anti-Theft. The alternatives page compares them.
