JSON Formatter for Python

Free online json formatter with Python code examples

Working with json formatter in Python? Our free online json formatter helps Python developers format, validate, and process data instantly. Below you will find Python code examples using json (built-in) so you can achieve the same result programmatically in your own projects.

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Python Code Example

import json

data = '{"name":"Alice","age":30}'
parsed = json.loads(data)
formatted = json.dumps(parsed, indent=2)
print(formatted)

Quick Setup

Library: json (built-in)
# Built-in module — no installation needed

Python Tips & Best Practices

  • Use json.dumps(data, indent=2, sort_keys=True) for sorted output
  • Handle encoding with ensure_ascii=False for Unicode
  • Use json.tool from the CLI: python -m json.tool file.json

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