Python Code Beautifier and Formatter

Transform any Python code into clean, readable format with our free online Python beautifier

All code runs locally in your browser — nothing ever leaves your device
Lines: 1Chars: 0Size: 0 KB
Try Examples
What is Python Formatter?
Python Formatter is a specialized tool designed to format and beautify Python code according to PEP 8 standards and Black formatter conventions. Python is a versatile programming language used in web development, data science, machine learning, and automation, requiring consistent formatting for professional and maintainable code.
Our Python formatter ensures your code follows industry best practices and maintains consistency across your development team and project environments.
Key Benefits:
  • PEP 8 Compliance: Automatically apply Python's official style guide for consistent code formatting
  • Black Compatibility: Support for Black formatter conventions with opinionated formatting choices
  • Modern Python Features: Handle Python 3.x syntax including async/await, type hints, and f-strings
  • Import Organization: Structure import statements following isort standards and best practices
  • Data Science Integration: Format code for Django, Flask, FastAPI, pandas, and machine learning libraries
Perfect for Python developers, data scientists, and software engineers working with web frameworks, scientific computing, and enterprise applications.
Python Formatting Options
Configure Python formatting to match your development standards and team preferences. Our formatter supports comprehensive options for PEP 8 compliance, Black compatibility, and modern Python development workflows.
Indentation Settings
  • Function and class indentation (4 spaces per PEP 8)
  • Nested structure organization
  • List and dictionary formatting
  • Line length control (79 or 88 characters)
Language Structure Options
  • Function and method organization
  • Class definition formatting
  • Import statement grouping
  • Docstring and comment alignment
Python-Specific Features
  • Type hints and annotations formatting
  • Async/await and coroutine structure
  • List comprehensions and generators
  • Exception handling organization
Advanced Formatting
  • Black formatter compatibility mode
  • String quote normalization
  • Trailing comma management
  • Multi-line expression formatting
How to Use Python Formatter:
  1. Upload your Python file or paste code directly into the editor
  2. Select your preferred formatting options (PEP 8 compliance, Black compatibility, line length)
  3. Click "Format" to apply Python best practices and improve code readability
  4. Use fullscreen mode for large applications and complex Python projects
  5. Copy the formatted output for development or integrate with Python IDEs and linters
Integration Support: Works seamlessly with Python frameworks like Django, Flask, FastAPI, and development tools including PyCharm, VS Code, and popular linters like flake8 and pylint. Compatible with Python 3.x and modern development environments.