ReFox is the most famous and widely trusted FoxPro decompiler on the market. Developed specifically for the FoxPro ecosystem, it has evolved alongside the language from early FoxBase versions up to Visual FoxPro 9.0 SP2.
Not all decompilers are created equal. Here are the most prominent and reliable tools available as of 2025.
Understanding the FoxPro Decompiler: How to Recover, Protect, and Migrate Legacy Code
If you are actively developing or maintaining a commercial VFP application, the ease of decompilation represents a massive intellectual property risk. Unprotected VFP executables can be cracked open in under five minutes, exposing your business logic, proprietary algorithms, and database connection strings. foxpro decompiler
Are you looking to or completely migrate it to a new language ?
Because VFP executables wrap standard Windows PE headers around a localized VFP resource chunk, seasoned developers can sometimes manually extract internal tables ( .dbf structures used for forms and reports) directly from the binary. Step-by-Step Process: How to Decompile a VFP Executable
Microsoft ended support for Visual FoxPro in 2015. The developer community persists via VFP Advanced (VFPx) and third-party runtimes. Decompiler development has slowed—ReFox hasn’t seen a major update since 2012. ReFox is the most famous and widely trusted
To understand how a decompiler operates, it is first necessary to understand how Microsoft Visual FoxPro handles source code compilation.
ReFox can reconstruct source code from .EXE , .APP , .DLL , and compiled object files ( .FXP , .SPX , .MPX ). It recreates components like forms ( .SCX ), class libraries ( .VCX ), reports ( .FRX ), and menus ( .MNX ) with near-perfect accuracy.
Security teams inspect unknown or old enterprise binaries to ensure they do not contain unpatched vulnerabilities, hardcoded credentials, or malicious backdoors. Here are the most prominent and reliable tools
Unlike languages like C++ that compile directly into native machine code, Visual FoxPro compiles source code ( .prg , .scx , etc.) into an intermediate bytecode. The VFP runtime environment interprets this bytecode at execution time.
Decompilation typically becomes necessary under several scenarios:
Load the .EXE or .APP into your chosen decompilation tool. In a standard tool like ReFox: Browse to the directory containing the compiled file. Select the file to view its internal project structure. Choose the or Extract option. Define an output directory for the reconstructed project. Step 4: Reconstruct the Project Matrix
What is the of the file you are trying to decompile ( .exe , .app , .fxp )?
Forms ( .scx ), reports ( .frx ), menus ( .mnx ), and standard code blocks ( .prg ).