OONI Probe is a free and open source software designed to measure internet censorship and other forms of network interference.
Publisher’s description
What is OONI Probe?
OONI Probe is an open-source customisation program for Windows from Open Observatory of Network Interference. It is written in Kotlin.
Installation and requirements
Official installers exist for 64-bit as EXE (WiX Burn). Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 6.2.1, released on September 28, 2026. 9 versions are listed since February 15, 2024, each with links to its own installer files. That is about 3.4 releases a year.
Popularity and file types
The source code on GitHub (ooni/probe-multiplatform) has 98 stars. Similar programs include PowerToys, Scribus and Mattermost.
Project description on GitHub: “OONI Probe Multiplatform: free and open source app to measure internet censorship and network interference on Android, iOS, and Desktop”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Updated in the last two months
Cons
- No native ARM64 build
- Installation needs administrator rights
In short: OONI Probe is an open-source customisation tool for 64-bit PCs. Administrators can deploy it unattended.
Is OONI Probe 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:
8855B30214654BFC3921AA2F728EEEAF7E27424F2352D11839541C72500D7EC0· 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 9 versions ›9 versions over 3 years · about 3.4 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 6.2.1Latest | September 28, 2026 | — | 64-bit EXE (WiX Burn) |
| 3.10.1 | April 23, 2026 | — | 32-bit EXE (NSIS) |
| 3.10.0 | June 23, 2025 | — | 32-bit EXE (NSIS) |
| 3.9.9 | January 14, 2025 | — | 64-bit EXE (NSIS) |
| 3.9.8 | August 13, 2024 | — | 64-bit EXE (NSIS) |
| 3.9.7 | August 6, 2024 | — | 64-bit EXE (NSIS) |
| 3.9.6 | June 17, 2024 | — | 64-bit EXE (NSIS) |
| 3.9.5 | April 25, 2024 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id OONI.OONI-Probe -eOONI-Probe-6.2.1.exe /quiet /norestartmsiexec /x {90F46400-9078-357C-BE5F-03ADD41F3478} /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- Open Observatory of Network Interference
- Category
- Customisation
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/ooni/probe-multiplatform
- Written in
- Kotlin
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (WiX Burn)
- Version
- 6.2.1
- Released
- September 28, 2026
- Added to the catalogue
- February 15, 2024
- Versions listed
- 9
- Updates / year
- 3.4
- GitHub stars
- 98
- GitHub forks
- 15
- Website
- github.com
- winget ID
- OONI.OONI-Probe
- MSI product code
- {90F46400-9078-357C-BE5F-03ADD41F3478}
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is OONI Probe free?
Yes. OONI Probe is open-source software under the GPL-3.0 licence.
Is OONI Probe 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 OONI Probe 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 OONI Probe be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does OONI Probe 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 OONI Probe?
The versions page lists all 9 versions with links to their official installer files, back to February 15, 2024.
What are alternatives to OONI Probe?
PowerToys, Scribus, Mattermost, Rainmeter and TranslucentTB. The alternatives page compares them.
