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About

The people-free part is a lie — one developer builds this.

Pyobfuscate is a free, browser-based toolkit for protecting and inspecting Python code: an AST obfuscator, a .pyc decompiler, a marshal encryptor, an online compiler, plus formatters and linters. This page is who's behind it and the standard behind everything published here.

Who builds this

I'm Mithun, the developer behind Pyobfuscate. I write and maintain every tool and guide on the site myself. It started from a simple frustration: most "protect your Python" advice online is either hand-wavy or actively wrong — people still recommend base64-encoding a script and calling it obfuscation, when that reverses in a single line. And the tools that genuinely do the job are usually paywalled or a pain to install. So I built free ones that run in your browser, and I write up how the underlying techniques actually hold up when you try to break them.

Every guide is tested, not repeated

When an article here says a method reverses in 0.004 ms, or that ruff format ran 29× faster than Black on 124 real files, those are numbers from runs I actually did — with the commands and output shown so you can reproduce them. If I didn't test it, I don't claim it. See the blog for how that looks in practice.

An honest view of code protection

I don't sell magic. No obfuscation is unbreakable — Python runs on the user's machine, so the code is always recoverable with enough effort. What good obfuscation does is raise the cost of reverse-engineering far above the value of doing it. I say that plainly everywhere, because overpromising helps no one who's actually trying to protect something.

Free, and built to stay that way

The tools are free to use with no signup. Most run entirely client-side in your browser; the ones that need real compute run on a small backend. The project is supported by unobtrusive ads, not by locking features behind a paywall.

Get in touch

Questions, corrections, or found a bug in a tool? I read every message.

support@pyobfuscate.com