dnSpyEx is a unofficial continuation of the dnSpy project which is a debugger and .NET assembly editor. You can use
it to edit and debug assemblies even if you don''t have any source code available. Main features: Debug .NET and
Unity assemblies, Edit .NET and Unity assemblies, Light and dark themes.
Publisher’s description
What is dnSpy?
dnSpy is an open-source developer utilitie program for Windows from dnSpyEx. It ranks 15th by popularity among developer utilities in this catalogue. It is written in C#.
Installation and requirements
Official installers exist for 64-bit and 32-bit as Portable. It runs without installation (portable).
Updates and version history
The current version is 6.6.0, released on June 20, 2026. 4 versions are listed since September 8, 2023, each with links to its own installer files. That is about 1.4 releases a year.
Popularity and file types
The Chocolatey package has been downloaded 40,719 times. The source code on GitHub (dnSpyEx/dnSpy) has 11,318 stars. Similar programs include WinMerge, jq and x64dbg.
Project description on GitHub: “Unofficial revival of the well known .NET debugger and assembly editor, dnSpy”
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
In short: dnSpy is an open-source developer utilitie tool for 64-bit and 32-bit PCs.
Is dnSpy 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:
8ED48F165DC355E869F3A0037AD4F9216147F995A5AE0258B296EEEF1F73AAB0· 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 4 versions ›4 versions over 3 years · about 1.4 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 6.6.0Latest | June 20, 2026 | — | 64-bit ZIP32-bit ZIP |
| 6.5.1 | June 26, 2024 | — | 64-bit ZIP32-bit ZIP |
| 6.5.0 | February 7, 2024 | — | 32-bit ZIP64-bit ZIP |
| 6.4.1 | September 8, 2023 | — | 32-bit ZIP64-bit ZIP |
Install from the command line
Silent install ›winget install --id dnSpyEx.dnSpy -echoco install dnspy -yscoop install extras/dnspyexRelated guide: How to use winget: install and update apps
Information
- Publisher
- dnSpyEx
- Category
- Developer utilities
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/dnSpyEx/dnSpy
- Written in
- C#
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, 32-bit
- Installer
- Portable
- Version
- 6.6.0
- Released
- June 20, 2026
- Added to the catalogue
- September 8, 2023
- Versions listed
- 4
- Updates / year
- 1.4
- Chocolatey downloads
- 40,719
- GitHub stars
- 11,318
- GitHub forks
- 761
- Website
- github.com
- winget ID
- dnSpyEx.dnSpy
- Chocolatey package
- dnspy
- Scoop package
- extras/dnspyex
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is dnSpy free?
Yes. dnSpy is open-source software under the GPL-3.0 licence.
Is dnSpy 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 dnSpy 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 dnSpy 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 dnSpy?
The versions page lists all 4 versions with links to their official installer files, back to September 8, 2023.
Can I use dnSpy without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to dnSpy?
WinMerge, jq, x64dbg, jadx and Cutter. The alternatives page compares them.
