Reko is a decompiler for machine code binaries.
This project is freely available under the GNU General Public License.
Publisher’s description
What is Reko decompiler?
Reko decompiler by jklSoft is open-source Windows software in the developer utilities category. It is written in C#.
Installation and requirements
The publisher provides MSI installers for 64-bit and 32-bit Windows. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 0.12.1.0, released on July 26, 2025. The version history goes back to March 30, 2021: 12 releases, all linked to the official files. That is about 2.8 releases a year. The last update is more than a year old.
Popularity and file types
The source code on GitHub (uxmal/reko) has 2,626 stars. Similar programs include WinMerge, x64dbg and jq.
Project description on GitHub: “Reko is a binary decompiler.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- MSI package for managed deployment
- Documented silent install
Cons
- No native ARM64 build
- Installation needs administrator rights
- No update for more than a year
In short: Reko decompiler is an open-source developer utilitie tool for 64-bit and 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is Reko decompiler 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:
05CBF48ACFCC9226E4E0F618D4F7E79921BAE9CA37B8E5EA08ED5E750A507F76· 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 uxmal/reko repository on GitHub by the Open Source Security Foundation, last run on October 19, 2026.
- No dangerous workflows10
- Actively maintained10
- Static code analysis10
- Licence declared10
- Code review0
- Restricted token permissions0
- OpenSSF Best Practices badge0
- Security policy0
- No binaries in the repository0
- Branch protection0
- Fuzzing0
- Signed releases0
- Pinned dependencies0
The score rates how the project is developed and released, not whether the program is safe to install. scorecard.dev
Recent versions
All 12 versions ›12 versions over 4 years · about 2.8 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 0.12.1.0Latest | July 26, 2025 | — | 64-bit MSI32-bit MSI |
| 0.12.0.0 | April 2, 2025 | — | 64-bit MSI |
| 0.11.6.0 | January 2, 2025 | — | 64-bit MSI |
| 0.11.5.0 | March 21, 2024 | — | 64-bit MSI |
| 0.11.4.0 | September 3, 2023 | — | 64-bit MSI |
| 0.11.3.0 | January 5, 2023 | — | 64-bit MSI |
| 0.11.1.0 | April 7, 2022 | — | 64-bit MSI |
| 0.11.0.0 | March 13, 2022 | — | 64-bit MSI |
Install from the command line
Silent install ›winget install --id uxmal.reko -emsiexec /i Reko-0.12.1-x64-88ed3bb79c.msi /qn /norestartmsiexec /x {7F519A48-9F7E-4427-9EDF-527BE186643C} /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- jklSoft
- Category
- Developer utilities
- Licence
- GPL-2.0-or-later
- Price
- Free
- Source code
- github.com/uxmal/reko
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- MSI
- Version
- 0.12.1.0
- Released
- July 26, 2025
- Added to the catalogue
- March 30, 2021
- Versions listed
- 12
- Updates / year
- 2.8
- GitHub stars
- 2,626
- GitHub forks
- 268
- Website
- github.com
- winget ID
- uxmal.reko
- MSI product code
- {7F519A48-9F7E-4427-9EDF-527BE186643C}
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Reko decompiler free?
Yes. Reko decompiler is open-source software under the GPL-2.0-or-later licence.
Is Reko decompiler 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 Reko decompiler 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 Reko decompiler be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does Reko decompiler run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of Reko decompiler?
The versions page lists all 12 versions with links to their official installer files, back to March 30, 2021.
What are alternatives to Reko decompiler?
WinMerge, x64dbg, jq, dnSpy and jadx. The alternatives page compares them.
