Python Formatter

Format and beautify Python code files with automatic indentation, line wrapping, and PEP 8 compliance.

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7,400+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

Worked Example & Common Values

Below is a sample worked calculation demonstrating how Python Formatter processes input data instantly inside your browser.

Sample Input Minified string: {"id":1,"status":"active","roles":["admin"]}

Computed Result

{
  "id": 1,
  "status": "active",
  "roles": [
    "admin"
  ]
}

Execution Mode Client-Side In-Browser JS

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About This Tool

This Python Formatter File tool allows you to upload Python (.py) files or paste Python code directly to automatically format it according to PEP 8 standards. The tool handles indentation, line wrapping, spacing, and code structure to produce clean, readable Python code. It supports various formatting options including indentation size, line length limits, and quote style preferences. The formatted output is displayed with syntax highlighting for easy readability.

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How to Use

Upload a Python (.py) file using the file upload area or paste Python code directly into the text area.
Adjust formatting options like indentation size (2 or 4 spaces), maximum line length (default
, and quote style (single or double quotes).
Click the 'Format Python Code' button to process your code.
View the formatted result with syntax highlighting in the output section.
Use the 'Copy to Clipboard' or 'Download Formatted File' buttons to save your formatted code.

Frequently Asked Questions

Find Quick Answers

What Python versions does this formatter support?

The formatter supports Python 3.6 and above, handling modern Python syntax including f-strings, type hints, and async/await syntax.

Does this tool follow PEP 8 guidelines?

Yes, the formatter follows PEP 8 style guide recommendations for indentation, line length, spacing, and naming conventions where applicable.

What is the maximum file size I can upload?

The tool can handle Python files up to 1MB in size, which is sufficient for most Python scripts and modules.

Can I format code with custom indentation?

Yes, you can choose between 2-space or 4-space indentation in the formatting options before processing your code.

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