Obfuscator Executive allows developers to protect EXE, DLL, and other binary files in minutes without complex setup. This robust, user-friendly tool stops leakage of sensitive implementation details, and defends your software against unauthorized access and exploitation. Try it for free.
Obfuscator Executive obscures vulnerable class names, functions, subroutines, objects, UI elements, variables, and constants in executable and binary files. By concealing symbol information, Obfuscator Executive makes it more difficult to understand and reverse engineer your software, which enhances the security of your projects.
Obfuscator Executive supports EXE, DLL, OCX, VXD, SYS, LIB, and BIN files across 64-bit, 32-bit, and 16-bit Windows systems. It protects both modern and legacy binary files, especially in situations where control over symbolic data insertion is limited.
Obfuscating your EXE or binary file is easy with Obfuscator Executive. Follow these simple steps to secure your application:
1. Click Open File to select an EXE or binary file for obfuscation.
2. The tool scans the file and identifies vulnerable symbols.
3. Mark each symbol you wish to conceal with a red ★ star.
4. Click Obfuscate to transform the source file into a new secure binary with an -ob
file extension.
5. Review the newly obfuscated file, which is loaded once the protection process is complete, and verify that all sensitive symbols have been successfully concealed.
See how Obfuscator Executive enhances security by obscuring the records of your software’s internal architecture. In this example, an EXE file is analyzed, vulnerable symbols identified, and the file undergoes obfuscation, protecting your software from exploitation of these internal weaknesses.
Download Obfuscator Executive now and strengthen your software’s security.
Easily integrate Obfuscator Executive into your development workflow for seamless protection of EXE, DLL, and other binary files in every build. Secure your binaries effortlessly, adding protection directly into your development cycle.
Read what our users are saying about their experience.
... exactly what we were looking for! Your simple, effective interface and ability to automate it in our builds will help protect our hard work.
- Christopher Williamson, Lead developer, DreamQuest Software
... the obfuscation process provided by this app is efficient and concise, yielding good results in a fast manner.
- Andrei Verdeanu, Softpedia reviewer
Read the full review
v5.1.4
Release date: February 4, 2025
Compatible with Windows XP to Windows 11.
This free download lets you explore the tool, with some restrictions:
Single 30-minute sessions, protection of maximum 20 symbols, no automation.
Safety Assured: Contains no malware or viruses and does not use networking or compromise your security.
How does Obfuscator Executive work?Obfuscator Executive replaces recognizable symbols in binary files, such as function names, variables, and constants, with ambiguous identifiers. This reduces the amount of information available to anyone attempting to analyze or reverse engineer your software. |
Does this obfuscate source code?Obfuscator Executive protects compiled binaries and executables only. |
Are packed, compressed, or encrypted binaries supported?Binaries must be unpacked, decompressed, or decrypted before they can be analyzed and obfuscated by Obfuscator Executive. |
Which file types can be obfuscated?Obfuscator Executive protects .EXE, .DLL, .OCX, .VXD, .SYS, .LIB, and .BIN files compiled for 64-bit, 32-bit, and 16-bit Windows. |
How strong is the protection provided by Obfuscator Executive?Obfuscator Executive performs a complete and irreversible replacement of targeted symbols, making it impossible to revert the changes. This significantly limits visibility into the program’s internal logic. While binary obfuscation is a powerful layer of defense, it is most effective when used as part of a broader security strategy. For comprehensive protection, we recommend combining it with practices such as encryption, code signing, and secure development techniques. |
Does it modify or alter the original executable?When using the main interface, Obfuscator Executive creates a new protected file with an-ob extension, leaving the original untouched. In automated or console mode, the original file is overwritten with the protected file. |
Can I undo or reverse the obfuscation if needed?Obfuscation is a one-way process designed to protect your code by removing meaningful symbolic information. As a result, it cannot be reversed automatically. We recommend keeping an unprotected backup of your original file before obfuscating. |
Will the obfuscated files still run the same as before?Yes, obfuscated files maintain the same functionality as the original. However, it's important to only mark symbols that you’ve named yourself or are certain can be safely obfuscated. Marking invalid, system-generated or critical internal symbols may lead to instability, unexpected behavior, or crashes. Obfuscated files should always be thoroughly tested before deployment. |
What happens if my binary uses dynamic plugins or dependencies?If your application uses external plugins or dependencies, avoid obfuscating symbols needed for dynamic linking or runtime access. Identify and exclude these symbols before obfuscation, and test thoroughly to ensure everything works as expected. |
Can Obfuscator Executive be integrated into build scripts?Yes, Obfuscator Executive supports automation through command-line mode, making it easy to integrate into your build scripts or CI/CD pipeline. This allows you to apply protection automatically with each build, ensuring your binaries are consistently secured without manual intervention. |
Which software compilers are compatible with Obfuscator Executive?Obfuscator Executive secures EXE, DLL, and other binary files compiled with popular platforms such as Visual Studio (C#, VB.NET, C++), GCC, JetBrains Rider, Eclipse, NetBeans, and Xamarin Studio. It also supports legacy compilers, including Microsoft Visual C/C++, Classic Visual Basic (VB4, VB5, VB6), Borland C++, Turbo C++, and Delphi. |
What’s the difference between the free and paid versions?The free (trial) version of Obfuscator Executive lets you explore the core features, including binary analysis, profile creation, and basic obfuscation. However, it includes limitations such as a restricted number of symbols, no automation, and limited session time.Purchasing a license removes these restrictions, offering unlimited obfuscation, full symbol protection, extended session time, and access to advanced capabilities like automated builds and dedicated customer support. A license is ideal for developers seeking greater flexibility and stronger protection for their software. |
Is the license a one-time purchase or subscription?For individual (non-enterprise) licenses, it is a one-time purchase which grants you permanent access to the tool and all its features. There are no recurring subscription fees. You will also receive free minor updates within the same major version. For major version upgrades, a separate upgrade fee will apply, though it will be lower than the cost of purchasing a new license. Licenses purchased within 45 days of a new major release will receive the upgrade at no additional cost. |
Can I transfer my license to another machine?For individual (non-enterprise) licenses, license transfers are not required. You may install and use the licensed software on any computer that you own. To use it on a new machine, simply install the software and activate it using your existing license key. |
Is there documentation or a user manual available?Yes. Obfuscator Executive includes a built-in user manual that provides detailed explanations of each feature and setting. Within the application it can be accessed by pressing the F2 key or through the Help menu. A downloadable version is also available here: Obfuscator Executive v5 User Manual. |
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Pricing and Payment:Prices are in USD and exclude taxes. Payments under $1000 can be made via PayPal; contact us for larger transactions. All prices listed on this website are subject to change without prior notice. We reserve the right to update, modify, or adjust prices based on market conditions, availability, promotions, or other factors. Please confirm pricing at the time of purchase, as prices may differ from those displayed elsewhere. |
Delivery:Orders are typically delivered on the same or next business day. You will receive an email with a license key file to unlock the product. There is no physical media, printed manual or product box. |
Support:Free technical support via email since 2001. Bug reports can be opened on our GitHub Issues page. |
Updates:Free minor updates within the same major version. For example, a purchase of version 5.0 includes free updates up to, but not including, version 6.0. |
Education Discounts:Exclusive discounts for students, educators, security researchers, and institutions. Contact us for details. |
For more than 20 years, Obfuscator Executive has been shielding binaries from the risks posed by symbolic data exposure in the compilation process. We remain dedicated to evolving our tool to help developers protect their projects from reverse engineering and tampering.
Get started now and shield your software with advanced obfuscation.