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If the executable was built using Python version 3.8 or older, is the industry standard. Install the tool via pip: pip install uncompyle6 Use code with caution. Decompile the file and save the output: uncompyle6 -o main.py main.pyc Use code with caution. Use Decompyle++ / pycdc (For Python 3.9 and Newer)

: uncompyle6 supports Python versions up to 3.8; for newer versions, pycdc (C++ based) is often required. Important Considerations

The tool you use to extract the files depends on how the EXE was created. PyInstaller is used in the vast majority of cases. Method A: Using PyInstaller Extractor (pyinstxtractor)

The absolute standard tool for unpacking PyInstaller executables is (PyInstaller Extractor), an open-source project maintained on GitHub by extremecoders-re . Step 1: Set Up the Environment

Move your target .exe file into the exact same folder containing pyinstxtractor.py . Step 2: Execute the Unpacker convert exe to py

Leo sat back, his heart finally slowing down. He immediately hit "Save As" and dragged the new .py file into three different backup drives. He had learned his lesson: an .exe is a great way to share code, but a terrible way to store it.

Once you have the .pyc file (which is compiled Python bytecode), you need a decompiler to turn it back into a .py file.

The most popular choice among Python developers. When you run pyinstaller your_script.py , PyInstaller:

pycdc your_program.exe_extracted/your_program.pyc > recovered.py If the executable was built using Python version 3

: It detects the entry point of the executable and dumps all embedded files into a folder. Command : python pyinstxtractor.py your_app.exe .

: To see if an EXE was made with Python without running it, open it in a hex editor or use a tool like dnSpy to look for strings like python , pyi_ , or MEIPASS .

the archive to retrieve the compiled Python files ( .pyc ).

Once you have the .pyc (compiled Python bytecode) files, you need a decompiler to turn them back into readable Python code. Use Decompyle++ / pycdc (For Python 3

Once you have a valid .pyc file, you need to turn the bytecode back into text. Option A: pycdc (C++ Based)

Open your terminal or command prompt, navigate to the folder containing your target EXE and the extractor script, and run: python pyinstxtractor.py your_program.exe Use code with caution.

To reverse the process, you must first understand how a Python script becomes an executable. Most developers use packaging utilities like , cx_Freeze , or py2exe .