https://github.com/obfuscar/obfuscar

Open source obfuscation tool for .NET assemblies
https://github.com/obfuscar/obfuscar

c-sharp dotnet dotnet-framework obfuscate obfuscation obfuscator

Last synced: 24 days ago
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Open source obfuscation tool for .NET assemblies

• Host: GitHub
• URL: https://github.com/obfuscar/obfuscar
• Owner: obfuscar
• License: mit
• Created: 2015-04-04T07:46:17.000Z (about 11 years ago)
• Default Branch: master
• Last Pushed: 2026-04-29T02:10:31.000Z (about 1 month ago)
• Last Synced: 2026-04-29T03:46:17.114Z (about 1 month ago)
• Topics: c-sharp, dotnet, dotnet-framework, obfuscate, obfuscation, obfuscator
• Language: C#
• Homepage: https://www.obfuscar.com
• Size: 24.3 MB
• Stars: 3,074
• Watchers: 82
• Forks: 455
• Open Issues: 29
• Metadata Files:
  • Readme: readme.md
  • Changelog: changes.md
  • License: LICENSE
  • Code of conduct: CODE_OF_CONDUCT.md

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README

          
# Obfuscar, Minimalistic Obfuscation Tool for .NET Assemblies

* [![Build status](https://img.shields.io/github/actions/workflow/status/obfuscar/obfuscar/windows.yml?style=flat-square)](https://github.com/obfuscar/obfuscar/actions/workflows/windows.yml)

* [![NuGet Version (Global Tool)](https://img.shields.io/nuget/v/Obfuscar.GlobalTool.svg?style=flat-square&label=Obfuscar%20for%20.NET)](https://www.nuget.org/packages/Obfuscar.GlobalTool/)

* [![NuGet Version](https://img.shields.io/nuget/v/Obfuscar.svg?style=flat-square&label=Obfuscar%20for%20.NET%20Framework)](https://www.nuget.org/packages/Obfuscar/)

The project logo came from [Legendora Icon](http://raindropmemory.deviantart.com/art/Legendora-Icon-Set-118999011) by

[Teekatas Suwannakrua](https://raindropmemory.deviantart.com/).

Maintained by [LeXtudio Inc.](https://lextudio.com/).

## Description

Obfuscar is an open source .NET obfuscator released under MIT license. It provides basic obfuscation features that help secure secrets in a .NET assembly.

[![Obfuscar](https://raw.githubusercontent.com/obfuscar/obfuscar/master/obfuscar.png)](https://www.obfuscar.com/)

## Get Started

[Documentation section](https://docs.obfuscar.com/) contains most information you need, and also a detailed history of this project all through the years.

**Deprecation notice:** Environment-variable expansion inside Obfuscar configuration files is deprecated and will be removed in a future release. Please avoid using environment-variable syntax in project configuration and see the documentation for migration guidance.

**Note on paths:** Relative paths in configuration files are deprecated; future releases will require absolute paths. Please update configuration files to use absolute paths.

**Security notice:** Obfuscar depends on low-level metadata and PE-reading APIs (for example, `System.Reflection.Metadata` and `System.Reflection.PortableExecutable.PEReader`) which are not designed to handle untrusted input. Malformed or malicious assemblies or metadata can cause unexpected behavior, including crashes or hangs. Only run Obfuscar on assemblies and inputs you trust. See https://github.com/dotnet/dotnet-api-docs/pull/12412 for more details.

## Issues

If you have a patch to contribute, a feature to request, or a bug to report, please post to the [Issue Tracker](https://github.com/obfuscar/obfuscar/issues).

## Support Services

Please contact [LeXtudio Inc.](https://lextudio.com/) for support services.

## Contribution

Pull requests are welcome, but make sure you sign the Contributor License Agreement.

## Donation

If you want to donate to my efforts on this project, please [use this link](https://github.com/sponsors/obfuscar).