Code Complexity Analyzer

Measure cyclomatic complexity, nesting depth, and maintainability for JavaScript, Python, or PHP code.

Language

Code

100/100

Maintainability

Lines of Code

Cyclomatic

Max Nesting

Functions

Overall: Excellent

Looks healthy. Keep functions small and tests close.

About the free Code Complexity Analyzer

Measure cyclomatic complexity, nesting depth, and maintainability for JavaScript, Python, or PHP code. The ToolsEdits Code Complexity Analyzer runs online in your web browser, so there is nothing to download or install. It works on Windows, Mac, Linux, Android and iPhone, and it is completely free to use with no sign-up required.

Wherever possible, your data is processed directly on your own device, which keeps your files and information private and makes results appear instantly. The code complexity analyzer is part of our Text Tools collection, built for students, professionals and businesses who need fast, reliable results without paying for expensive software.

How to use the Code Complexity Analyzer

Enter your data or upload your file in the tool above.
Adjust the options and settings to match what you need.
Click the action button to get your result instantly.
Copy, download or share the result — then start again as many times as you like.