JSON Formatter

Format, validate, and beautify your JSON data with syntax highlighting and error detection.

Input JSON

Formatted Result

Follow these steps to format, validate, or minify your JSON data.

How to Use

Format JSON

  1. Paste your JSON data into the input area on the left
  2. Click the 'Format' button or use Ctrl+Enter
  3. The formatted JSON will appear in the output area on the right

Validate JSON

  1. Paste your JSON into the input area
  2. If your JSON is invalid, error messages will appear highlighting the problem
  3. Fix the errors based on the error messages provided

Minify JSON

  1. Paste your formatted JSON into the input area
  2. Click the 'Minify' button to compress it
  3. Copy the minified JSON for use in your applications

Examples

Simple Object

Basic JSON object with nested properties

Input

{"name":"John","age":30,"city":"New York"}

Output

{
  "name": "John",
  "age": 30,
  "city": "New York"
}

Nested Array

JSON array with multiple objects

Input

[{"id":1,"name":"Item 1"},{"id":2,"name":"Item 2"}]

Output

[
  {
    "id": 1,
    "name": "Item 1"
  },
  {
    "id": 2,
    "name": "Item 2"
  }
]

Pro Tips

  • •Use Ctrl+Enter (Cmd+Enter on Mac) for quick formatting
  • •The tool automatically detects encoding (UTF-8) and handles special characters
  • •Download buttons allow you to save formatted or minified JSON as files
  • •Error messages include line numbers to help you quickly locate issues
  • •Copy buttons make it easy to transfer results to your clipboard