JSON Formatter

Overview

A lightning-fast developer utility to format, beautify, minify, and validate JSON. It runs entirely in your browser, accurately pinpoints syntax errors and missing commas, and re-indents nested keys to your preferred style. Perfect for debugging API responses and cleaning up configuration files.

Key features

• •Real-time validation with precise error location and line number
• •Configurable indentation (2 or 4 spaces)
• •One-click minify to shrink payload size
• •Export the formatted output or copy it to the clipboard
• •Local history of recent sessions for quick access

How to use

1. 1
   Paste your raw JSON text into the input area.
2. 2
   Choose your preferred indentation (2 or 4 spaces).
3. 3
   Click Beautify JSON to format the structure, or Minify to compress it.
4. 4
   Check the alerts panel if the JSON contains syntax issues.
5. 5
   Click Copy to save the result to your clipboard.

Frequently asked questions