Python Code Formatter

Transform messy Python code into clean, readable, PEP 8 compliant format. Our advanced Python formatter provides instant syntax validation, automatic indentation fixing, import sorting, and comprehensive error detection. Perfect for developers working with Python scripts, data analysis code, and application development.
PEP 8 Compliance Syntax Validation Import Sorting Error Detection
Quick Examples
INDENT: 4 spaces per PEP 8
IMPORTS: Sorted and grouped
LINE-LENGTH: 79 character limit
Python Code Input
Format Settings
Code Statistics
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Formatted Python Code
About This Python Code Formatter
Why Clean Code Matters

In the world of software development and data analysis, code is read far more often than it is written. This Python Code Formatter is designed to help you produce clean, readable, and consistent code with zero effort. By automating formatting, you eliminate style debates and can focus on solving complex problems. Clean code is not just about aesthetics; it leads to fewer bugs, easier collaboration, and more maintainable projects.


Key Features of This Tool
  • Automatic Formatting: Instantly applies standard Python style conventions to your code.
  • Customizable Rules: Adjust settings like indent size and line length to match your project's standards.
  • Code Validation: Performs basic checks to help you catch common style and syntax issues early.
  • Instant Statistics: Get quick metrics on your code, including line, character, and word counts.

The Zen of Python and PEP 8

This tool helps you adhere to the principles of PEP 8, the official style guide for Python code. PEP 8 provides a set of conventions that foster readability and consistency across the Python ecosystem. Key principles that this formatter helps enforce include:

  • Indentation: Using 4 spaces per indentation level is the prevailing standard.
  • Line Length: Limiting lines to 79 or 88 characters improves readability on various screen sizes.
  • Whitespace: Proper use of whitespace around operators and blank lines between functions and classes makes code structure clear.
  • Imports: Sorting imports alphabetically at the top of the file makes dependencies easy to track.

By internalizing these practices, you write code that is not only functional but also beautiful and easy for others (and your future self) to understand. Start formatting now and elevate your code quality!

Practical Applications & Use Cases

Code Review Preparation

Format code before submitting pull requests

  • Fix indentation issues
  • Apply PEP 8 standards
  • Sort import statements
  • Remove trailing spaces
Pro Tip: Run formatter as pre-commit hook for consistent codebase

Legacy Code Modernization

Clean up old Python codebases

  • Update to modern syntax
  • Fix inconsistent styling
  • Organize imports properly
  • Apply type hints ready formatting
Pro Tip: Format incrementally to make code reviews manageable

Team Code Standardization

Enforce consistent coding standards across teams

  • Define team style guide
  • Configure formatter rules
  • Integrate with CI/CD
  • Train team members
Pro Tip: Use .editorconfig and pyproject.toml for team-wide settings

Industry-Specific Applications

data science:

Jupyter notebook exports, analysis scripts, ML pipelines

web development:

Django/Flask apps, API endpoints, backend services

automation:

DevOps scripts, testing frameworks, deployment tools

finance:

Trading algorithms, risk models, data processing

research:

Scientific computing, simulations, data analysis

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

What formatting features does the Python Code Formatter offer?
The tool provides PEP 8 compliant formatting, automatic indentation fixing, import sorting, operator spacing, trailing whitespace removal, and customizable indent sizes. Perfect for cleaning up Python code and ensuring consistent style.
How do I format my Python code using this tool?
Simply paste your Python code into the input editor, adjust the format settings if needed, and click "Format Code". The tool will automatically apply PEP 8 formatting rules and display the clean code in the output panel.
Is the Python Code Formatter compatible with all Python versions?
Yes, the formatter works with Python 2 and Python 3 code. It includes syntax highlighting, validation for common Python 3 patterns, and works on all modern browsers without requiring any installation.
Are there any limitations for the code formatting tool?
The tool handles most Python code formatting needs but may not catch all complex syntax errors. For production code, we recommend using additional tools like pylint or black. All processing happens client-side for privacy.
Can I customize the formatting settings for my code style?
Absolutely! You can adjust indent size (2, 4, 8 spaces or tabs), line length (79, 88, 100, 120 characters), toggle import sorting, and control whitespace handling. All settings follow industry standards and best practices.

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