No. 20 of 33 ·Code Obfuscation Software

.NET Reactor

Name: .NET Reactor
Price: 249 USD

Windows · Mac · Linux

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Freedom report

One barScore 5.0

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedThinly documented

.NET Reactor is ranked #20 of 33 in code obfuscation software on Freedom251. It runs on Linux, macOS, Windows. There is no free plan. A free trial is offered.

.NET Reactor plans and pricing

All plans

Single Developer $249 once Perpetual license with 1 year update support 1 developer · individual use only · build server support not included eziriz.com · 4 Oct 2026

Company $549 once Perpetual license with 1 year update support Entire company · multiple developers · one legal entity · build server support included eziriz.com · 4 Oct 2026

Compared on code obfuscation software

Free plan: No
Supported targets: C#, VB.NET, C++.NET, Delphi.NET, J#, F#, MSIL, .NET Framework, .NET 5-10, .NET Core, .NET Standard, .NET MAUI, Xamarin, Mono, Unity, ASP.NET, ASP.NET Core, Blazor, Silverlight, WinRT/Metro
Anti-tamper controls: Yes
Control-flow obfuscation: Yes
String encryption: Yes
Deployment model: desktop
Build integration: cli

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The record

Purpose: .NET Reactor is a .NET code protection and licensing system designed to protect assemblies against reverse engineering.
Protection: Its protections include obfuscation, NecroBit encrypted code, code virtualization, anti-debugging, string encryption, and control-flow obfuscation.
Supported frameworks: The product lists support for .NET Framework, .NET 5.0–10.0, .NET Core, .NET Standard, .NET MAUI, Xamarin, Mono, and Unity assemblies.
Licensing: The licensing system supports trial or permanent licenses, hardware and software locks, and an SDK for license checks and custom extensions.
Build integrations: The vendor lists Visual Studio and JetBrains Rider add-ins, Azure DevOps pipeline tasks, and GitHub Actions integration.
Usage options: The product has a GUI and command-line support, and its command-line generator can be used in scripts.
Operating system downloads: The demo download page offers Windows 64-bit, macOS for Apple Silicon and Intel, and Linux 64-bit; the Linux package includes CLI only.
Demo status: The vendor labels the download a demo; its download page does not state a trial duration.
Release: The listed latest version is 7.5.0.0, released 12-Nov-2025.
Security and privacy: The license agreement says the software processes only personal data provided in the license file and collects, stores, or transmits no additional personal data during operation.
Offline licensing: The manual says the licensing system does not require code outside the customer's premises to determine whether licenses are valid.
Support: Eziriz says typical support response time is within one business day on weekdays and offers a 24/7 AI assistant for basic help.
License scope: The Company license covers exactly one legal entity; affiliates, parent companies, and subsidiaries are excluded.
Headquarters: Brome, Niedersachsen, Germany

Where it ranks on Freedom251

Best Code Obfuscation Software in 2026#20 of 33

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Sources

eziriz.com/dotnet_reactor.htm· checked 4 Oct 2026
eziriz.com/reactor_features.htm· checked 4 Oct 2026
eziriz.com/reactor_download.htm· checked 4 Oct 2026
eziriz.com/help/license_agreement/index.html· checked 4 Oct 2026
eziriz.com/help/licensing-system/understanding_lic· checked 4 Oct 2026
eziriz.com/support.htm· checked 4 Oct 2026
eziriz.com/order.htm· checked 4 Oct 2026