About JSONFormatter.io

JSONFormatter.io is the #1 online tool to format, parse, view, validate, edit, and beautify JSON data in real time. The powerful, feature rich, and user friendly JSON editor gives you a native editing experience.

It is created for developers to help them with debugging. JSON data is often returned from APIs in a compact form without any spaces. This makes it difficult to read the contents of the JSON data. The JSON formatter tool formats JSON data in a clean easy to read way so that It is easier to scan and debug JSON output.

To format JSON, type or paste your JSON data in the first editor and click on the format/validate button to validate and format the entered JSON. You can view the parsed and beautified JSON in the second editor.

The tool also allows you to upload a .json or .txt file containing JSON data. It reads the file and automatically fills the editor with the file’s contents. Moreover, there are various other controls provided in the settings toolbar to clear, copy, minify, prettify, and download JSON data from the editor.

So what are you waiting for? Bookmark this website now and keep checking whenever you need any of the following:

  • Online JSON Formatter or Beautifier
  • Online JSON Viewer or JSON Editor
  • Online JSON Parser and JSON Validator
  • Online JSON Lint
  • Online JSON Checker and JSON Cleaner

The Json Formatter works well in all modern browsers like Chrome, Firefox, Safari, Edge and all operating systems like Windows, Mac, Linux etc, and It’s completely free.

JSON Formatter features

Our JSON formatter has the following features

  • It allows you to quickly validate if a JSON is correct or not and provides error messages.
  • It allows you to beatify or prettify a compact JSON and indents it properly for easier reading.
  • It supports live JSON formatting. You just need to type the JSON in the left editor and you can see a live formatted JSON data in the right editor.
  • You can use the JSON formatter as a JSON editor or JSON linting tool.

What is JSON?

JSON or Javascript Object Notation is a lightweight and language independent data-interchange format. JSON uses human-readable text. It is self-describing, easy to read and understand.

JSON format was originally derived from Javascript by Douglas Crockford. But now, almost all the modern programming languages can generate and parse JSON data.

JSON is commonly used data format for asynchronous browser-server communication. It has replaced XML in many AJAX style systems. It is more compact and easier to parse than XML.

The official Internet content type for JSON is application/json. Browsers and servers set the Content-Type HTTP header to application/json whenever JSON is used as the data-interchange format.

JSON Syntax

JSON data consists of two kinds of structures:

  • A collection of key/value pairs. This can be mapped to an Object or a HashTable in programming languages. The key/value pairs are specified like this -

    {
        "name": "Rajeev",
        "age": 25,
        "address": {
            "city": "Bangalore",
            "state": "Karnataka",
            "country": "India"
        }
    }

    As shown in the above example, the value can either be of simple type like number, string, or It can be another nested collection of key/value pairs.

  • An ordered list of values. The values can be either simple types like numbers, strings, booleans, or they can be nested JSON objects:

    [
        {
            "name": "Rajeev",
            "age": 25,
            "address": {
                "city": "Bangalore",
                "state": "Karnataka",
                "country": "India"
            }
        },
        {
            "name": "Sachin",
            "age": 40,
            "address": {
                "city": "Mumbai",
                "state": "Maharastra",
                "country": "India"
            }   
        }
    ]

As you can see, JSON structure and the rules are pretty simple. JSON is very easy to generate and parse. Perhaps, that’s why It is widely used in browser-server as well as server-server communications.

JSON Validator online

Our online tool can be used to check the validity of JSON data. Just copy and paste your input JSON in the left editor, the tool will automatically check if the JSON is valid or not, and display the output in the editor on the right.

JSON beautify/prettify online

You can use the tool as a simple JSON prettifier/beautifier. The tool prettifies your JSON with proper indentation and outputs the prettified data in the right hand side editor. You can click copy on the right side editor to copy the beautified JSON.

JSON editor online

If you just want to edit your JSON, you can use our rich JSON editor to do that. The JSON editor supports auto indentation, highlighting of errors, expand, collapse and several other features.

JSON viewer online

Our online tool works as an excellent JSON viewer. If you want to inspect your JSON data, or search for fields in your JSON, then look no further.