UTILUTILWAY
Tools > JSON Formatter

JSON Formatter

Format, minify, and validate JSON data

Input (JSON)
Indent:
Output

🔒 This tool runs in your browser only. No input data is sent to any server.

About JSON Formatter

JSON Formatter is a free online tool that formats, validates, and minifies JSON data instantly in your browser. Paste raw or minified JSON to beautify it with proper indentation, or compress formatted JSON into a single line for production use. All processing happens locally — your data never leaves your device.

How to Use

  1. Paste or type your JSON data into the input area.
  2. Select your preferred indentation (2 spaces, 4 spaces, or tab).
  3. Click Format to beautify, Minify to compress, or Validate to check syntax.
  4. Copy the result with the Copy button.

Key Features

  • Format JSON with customizable indentation (2 spaces, 4 spaces, tab)
  • Minify JSON to a single line for production use
  • Validate JSON syntax with detailed error messages and line numbers
  • Real-time processing with instant results