Development#JSON#Formatter#Dev Tool#Online Tool

JSON Prettify - Essential Tool for Developers

Learn how to use the JSON formatter and tips. A free online tool that makes your development workflow efficient.

2025-12-01Toolbag
JSON Prettify - Essential Tool for Developers

JSON Prettify Complete Guide

JSON Prettify is a free online tool that formats or compresses JSON data for readability.

Key Features

- Formatting: Format compressed JSON for readability - Compression: Compress formatted JSON into a single line - Validation: Automatically detect JSON syntax errors - Copy function: Copy formatted results at once

Use Cases

  • API response check: Format JSON received from APIs for readability
  • Config file editing: Format JSON config files to improve readability
  • Data validation: Quickly check for JSON syntax errors
  • Code optimization: Reduce file size by removing unnecessary spaces

Tips

- Adjust indentation level to choose desired format - Use validation to check for syntax errors in advance - Use copy button to use results immediately

Try JSON Prettify now!

App Preview

Preview the actual app below and try it out right away!