📋 JSON Formatter & Validator

Format, beautify, minify, and validate your JSON data instantly

Result:

About JSON Formatter

Our free JSON formatter helps developers format, validate, and minify JSON data quickly and easily. Whether you're debugging API responses, cleaning up configuration files, or validating JSON syntax, this tool has you covered.

Key Features

  • Format & Beautify: Convert minified JSON into readable, indented format
  • Validate JSON: Check for syntax errors and get detailed error messages
  • Minify JSON: Remove whitespace to reduce file size
  • Copy to Clipboard: One-click copy of formatted result
  • Download JSON: Save formatted JSON as a .json file
  • Statistics: View object count, array count, and character count

How to Use

  1. Paste your JSON data into the input textarea
  2. Click "Format JSON" to beautify with proper indentation
  3. Click "Minify JSON" to compress by removing whitespace
  4. Click "Validate Only" to check for syntax errors without formatting
  5. Use "Copy Result" or "Download JSON" to save your formatted data

Common Use Cases

  • Debugging API responses from REST APIs
  • Formatting configuration files (package.json, tsconfig.json)
  • Validating JSON before deployment
  • Cleaning up minified JSON for readability
  • Preparing JSON data for documentation

Frequently Asked Questions

Is my JSON data secure?

Yes! All JSON formatting happens directly in your browser. Your data never leaves your device and is not sent to any server.

What's the difference between format and minify?

Format adds indentation and line breaks for readability. Minify removes all unnecessary whitespace to reduce file size.

Can this tool handle large JSON files?

Yes, the tool can handle JSON files up to several megabytes. However, very large files may take a moment to process.

What if my JSON has errors?

The validator will show you exactly where the error is located with line and column numbers, making it easy to fix.

Can I use this for API testing?

Absolutely! This tool is perfect for formatting and validating API responses during development and testing.