What is JSON Formatter?
JSON Formatter is a free online tool that helps you format, validate, and beautify JSON (JavaScript Object Notation) data. It transforms messy, minified, or compressed JSON into a clean, readable, and properly indented format. This tool is essential for developers working with APIs, configuration files, or any JSON data.
Common Use Cases
API Development
Format API responses for easier debugging and understanding of data structures.
Configuration Files
Clean up and validate JSON configuration files for applications.
Data Analysis
Make large JSON datasets readable for analysis and review.
Code Review
Format JSON before sharing with team members for clearer communication.
How to Use This Tool
- Paste your JSON data into the input field
- Click the "Format" button to beautify your JSON
- Adjust indentation settings if needed (2 or 4 spaces)
- Copy the formatted output using the copy button
Frequently Asked Questions
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write, and easy for machines to parse and generate.
Why should I format my JSON?
Formatted JSON is easier to read, debug, and maintain. It helps identify errors and understand the data structure at a glance.
Is my data secure?
Yes! All processing happens in your browser. Your data is never sent to any server.
What happens if my JSON is invalid?
The tool will highlight the error location and provide a helpful error message to help you fix the issue.