Free Python Formatter

Python

Free Python formatter and beautifier tool. Format Python code online at no cost with PEP 8 compliance. No registration required. It runs in your browser, and your input stays on this device.

Back to Python Formatter

Formatter example

Compare the exact input shape with the cleaned output before opening the editor.

Local preview

Before

input
def greet(name):
 print(  f"Hello, {name}" )

After

formatted
def greet(name):
    print(f"Hello, {name}")

Workflow

Use Python without sending code.

Paste a snippet, run the action, review any highlighted issue, then copy the result back to your work.

Current language
Python
Current action
Python Formatter
  1. 01

    Start

    Paste a snippet or full file into the editor.

  2. 02

    Run

    Use Run Python Formatter from the action bar.

  3. 03

    Review

    Fix syntax issues if processing stops.

  4. 04

    Move

    Use Copy code when the result is ready.

Files
.py, .pyw
Paste a Python snippet or a full source file.
Engine
Ruff formatter
Runs the browser-side formatter for readable output.
Privacy
Local run
The editor does not send pasted code to a formatting API.
Result
Readable output
Move the formatted code back to your editor.