Tech riderRev. 20 Sept 2026
decompyle3
- 1Runs onNot stated by the maker
- 2CostsNot stated by the maker
- 3℗License typefree
- 4Native-code decompilationNo
- 5Bytecode decompilationYes
3 lines stated Written from the maker's own pages: github.com

Overview
decompyle3 is ranked #73 of 73 in reverse engineering tools on Specifiction.
Compared on reverse engineering tools
- Native-code decompilation
- Nogithub.com
- Bytecode decompilation
- Yesgithub.com
- License type
- freegithub.com
Facts
- Purpose
- decompyle3 translates Python bytecode back into equivalent Python source code.github.com · 5 Oct 2026
- Bytecode versions
- The README says it accepts Python bytecode from version 3.7 onward, and that bytecode from Python 3.7 and 3.8 has been tested.github.com · 5 Oct 2026
- Fragment decompiler
- The project describes itself as a native Python cross-version decompiler and fragment decompiler.github.com · 5 Oct 2026
- Installation
- The README documents installation from PyPI with `pip install decompyle3` or from source.github.com · 5 Oct 2026
- Command line
- The README shows running `decompyle3` on compiled `.pyc` or `.pyo` files and documents a `--syntax-verify` option.github.com · 5 Oct 2026
- License
- The GitHub repository identifies its license as GPL-3.0.github.com · 5 Oct 2026
- Restrictions
- The README says the project does not handle obfuscated code, Cython, MicroPython, or Py2EXE executables directly.github.com · 5 Oct 2026
- Accuracy limits
- The README cautions that decompilation has numerous bugs and that some long lists of expressions or statements run slowly.github.com · 5 Oct 2026
- Support
- The bug reporting guidance says fixes may take months or years and that the maintainer does not provide paid support as a regular service.github.com · 5 Oct 2026
- Issue confidentiality
- The bug reporting guidance says issue reports and the code in them are public and have no confidentiality.github.com · 5 Oct 2026
Best decompyle3 alternatives
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Where it ranks on Specifiction
- Best Reverse Engineering Tools in 2026#73 of 73
- Best Decompiler Software in 2026#23 of 24
Is decompyle3 yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- github.com/rocky/python-decompile3· checked 5 Oct 2026
- github.com/rocky/python-decompile3/blob/master/HOW· checked 5 Oct 2026



