Legitimate use cases exist beyond reverse engineering (though we’ll get to those too):

The industry standard for decompiling Ren'Py scripts. It can be run as a standalone Python script or "injected" directly into a game folder to automatically decompile files when the game starts.

The RPA Decompiler performs well, even with large and complex RPA files. The decompilation process is relatively fast, and the tool provides accurate results. We tested the tool with various RPA files and found that it was able to decompile them successfully.

A PowerShell-based toolkit that automates the entire process, including extracting archives and decompiling scripts in one workflow. 2. Archive Extractors (RPA to Assets)

A comprehensive PowerShell script that performs multiple functions, including unpacking archives and decompiling scripts in one go. Why Use an RPA Decompiler?