📋 JSON Formatter & Validator

Format, prettify, minify, and validate JSON data instantly. Perfect for developers working with APIs, databases, and configuration files.

JSON Input (paste your JSON here)
Formatted JSON
Waiting for input...
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✨ Features

Format

Prettify JSON

Minify

Compress JSON

Validate

Error Checking

Download

Save JSON

  • Format and prettify JSON with proper indentation (2 spaces)
  • Minify JSON to remove whitespace and reduce file size
  • Validate JSON syntax and identify errors with line numbers
  • Real-time character count, line count, and file size display
  • Syntax highlighting with colors for keys, strings, numbers, and booleans
  • Copy formatted JSON to clipboard with one click
  • Download formatted JSON as a .json file
  • Load example JSON templates for quick testing
  • Clear input and output with single click
  • Perfect for API development, debugging, and data analysis

📖 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. It is widely used in web APIs, configuration files, and data storage.

📦 Objects: { }
📋 Arrays: [ ]
📝 Strings: "text"
🔢 Numbers: 123
✓ Booleans: true/false
❌ Null: null

Common JSON Use Cases: REST APIs, configuration files (package.json, composer.json), NoSQL databases (MongoDB), data exchange between server and client, and much more.

❓ Frequently Asked Questions

How do I use the JSON formatter?

Simply paste your JSON code into the input area and click "Format / Prettify". Your JSON will be properly indented and color-coded for easy reading. You can also use "Minify" to compress the JSON or "Validate Only" to check for errors.

What is the difference between formatting and minifying?

Formatting/Prettifying adds indentation, spaces, and line breaks to make JSON human-readable. Minifying removes all unnecessary whitespace to reduce file size, which is useful for API responses and data transfer.

Is my JSON data stored on your servers?

No! All JSON processing happens directly in your browser. Your data is never sent to our servers. This means your sensitive data remains private and secure.

What are common JSON syntax errors?

Common errors include: missing commas between items, trailing commas at the end of objects/arrays, unquoted keys, mismatched brackets, and using single quotes instead of double quotes for strings.

Is this tool free?

Yes! Our JSON formatter and validator is completely free to use. No registration, no hidden fees, no limits.

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