Obfuscating a Python script with pyobfuscator.com takes less than a minute. This step-by-step tutorial walks you through the entire process, from preparing your code to deploying the obfuscated output.
Step 1: Prepare Your Python Script
Before obfuscating, review your code for hardcoded credentials. API keys or passwords baked into the source will still be present in the obfuscated payload and can be recovered by a determined reverse engineer. Move secrets to environment variables before this step.
Step 2: Open pyobfuscator.com
Navigate to pyobfuscator.com in any modern browser. No sign-up, no installation, no file upload -- everything runs locally in your browser.
Step 3: Paste Your Code
Click in the left Input Python pane and paste your entire .py script. You can also click Sample to load an example script if you want to test first.
Step 4: Choose Options
By default, the tool strips comments, docstrings, and blank lines before encoding. These options reduce payload size and remove developer hints. Multi-layer mode applies the full pipeline twice for stronger protection.
Step 5: Click Obfuscate Now
The obfuscation runs entirely in your browser. For scripts under 1 MB it completes in under a second. The right pane displays the obfuscated output -- a two-line Python file starting with the lambda loader.
Step 6: Verify the Output
Before distributing, test the obfuscated file locally: save it as obfuscated.py and run python obfuscated.py. The behaviour should be identical to the original.
Step 7: Download and Deploy
Click Download to save obfuscated.py. Distribute this file in place of your original. It runs on any Python 3 environment with no additional dependencies -- only the built-in zlib and base64 modules are needed.
Tips
- Keep a copy of the original source in a secure location.
- For scripts with multiple files, obfuscate each
.pyindependently. - Version-stamp your obfuscated files so you can track which version is deployed.