JSON Formatter

JSON Validator

This JSON formatter tool was created to help debug JSON. JSON strings are not often very readable for a human (without line breaks), especially if they are bulky. This tool allows to easily read and debug JSON by human.

This tool is also a JSON checker and validator: You can check JSON online without any click. When you fill out the editor, your JSON data is automatically verified, and a message tells you whether your JSON is valid or not.

You can also minify your JSON (The opposite of pretty JSON, it removes all unnecessary characters).

Finally, you can also escape / unescape JSON data. For example, this can be useful for embedding JSON in code.

With this tool, it is fast and simple, just fill in the editor, and click on the button of the desired action. There is no need for installation or registration!

If you want compare REST API Responses, you can use our Online JSON diff tool.

About JSON

JSON (JavaScript Object Notation) is an open-standard format for storing and transporting data, it was derived from JavaScript object notation syntax. It is human readable. JSON is often used for asynchronous browser–server communication.

JSON became a very common format, many programming languages include code to generate and parse JSON-format data.

Why use JSON?

There are plenty of reasons to use JSON :)

• It is human readable. Some people prefer the YAML format, personally I am not used to reading YAML and so I sometimes have trouble reading it.
• It is relatively compact for a human readable
• It is a very common format, it is easy to parse in many programming languages
• It is easy to describe and validate with JSON Schema
• If you code in JavaScript / NodeJS!
• There are many JSON libraries