Side by side
B2R2 vs decompyle3
Both stand on reverse engineering tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacWindows
B2R2 offers free, cross-platform static analysis with unusually broad architecture coverage.
Visit B2R2 Free plan
decompyle3 offers a free command-line route from Python bytecode to source, with documented support starting at version 3.7. Its stated limitations, accuracy cautions, and lack of confidential issue reporting are important considerations.
Visit decompyle3The facts
| B2R2 | decompyle3 | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Windows | Not published |
| Lowest paid plan | Not published | Not published |
| Plans published | None | None |
| Maker | Not published | Not published |
| Website | github.com | github.com |
| On reverse engineering tools | #45 of 73 | #41 of 73 |
B2R2: what it does well
- Free plan with no paid tier listed
- Runs on Windows, macOS, and Linux
- Supports many 32-bit and 64-bit architectures
- Includes RISC-V, AVR, SuperH4, and EVM
What to know first
- No decompiler
- No plugin API
- Static analysis only
decompyle3: what it does well
- Free and open source under GPL-3.0.
- Accepts Python bytecode from version 3.7 onward.
- Processes compiled `.pyc` and `.pyo` files.
- Includes a `--syntax-verify` option.
What to know first
- Does not directly handle obfuscated code or Cython.
- Does not directly handle MicroPython or Py2EXE executables.
- Decompilation has numerous bugs.
- Issue reports and their code are public.
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