What is Online JSON Formatter?

Online JSON Formatter is a web-based utility that transforms unformatted or minified JSON (JavaScript Object Notation) data into a clean, readable, and properly indented structure. JSON is a lightweight>What does a JSON format look like?

JSON format consists of key-value pairs organized in a hierarchical structure using objects and arrays. A properly formatted JSON document uses specific syntax rules and displays data in a human-readable layout with consistent indentation.

Unformatted JSON example:

# Unformatted JSON code
{"name":"John Doe","age":30,"email":"[email protected]","address":{"street":"123 Main St","city":"New York","zipcode":"10001"},"hobbies":["reading","gaming","traveling"],"active":true}

Formatted JSON example:

# Formatted JSON code
{
  "name": "John Doe",
  "age": 30,
  "email": "[email protected]",
  "address": {
    "street": "123 Main St",
    "city": "New York",
    "zipcode": "10001"
  },
  "hobbies": [
    "reading",
    "gaming",
    "traveling"
  ],
  "active": true
}

The formatted version clearly shows the data structure with proper indentation, making nested objects and arrays easily identifiable.

How to use JSON Formatter Tool?

Using an online JSON formatter is a simple and efficient process:

Formatting Process:

Copy your unformatted or minified JSON data
Paste it into the input text area
Click the "Format" or "Beautify" button
Review the properly formatted output with syntax highlighting
Copy the formatted JSON for use in your project

Validation Process:

Paste your JSON data into the tool
The tool automatically validates syntax
Error messages appear if invalid syntax is detected
Fix errors based on the provided guidance

Example workflow:

Input: {"product":"Laptop","price":999,"inStock":true}

Formatted Output:
{
  "product": "Laptop",
  "price": 999,
  "inStock": true
}

Additional features often include options to minify JSON, download formatted files, or switch between different view modes for optimal data examination.