JSON Editor

Free JSON Editor is a web-based online tool to edit, beautify/format, fix, compare, query, transform, validate, and share the final JSON data.

INPUT

Paste in JSON Source

OUTPUT

Client Side
Formatted JSON Tree

Tips: There are more menu items in the 3-dot

Documentation 📝

What is JSON?

JSON (JavaScript Object Notation, pronounced /ˈdʒeɪsən/; also /ˈdʒeɪˌsɒn/) is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays (or other serializable values). It is a common data format with diverse uses in electronic data interchange, including that of web applications with servers.

JSON is a language-independent data format. It was derived from JavaScript, but many modern programming languages include code to generate and parse JSON-format data. JSON filenames use the extension .json. Any valid JSON file is a valid JavaScript (.js) file, even though it makes no changes to a web page on its own.

Douglas Crockford originally specified the JSON format in the early 2000s. He and Chip Morningstar sent the first JSON message in April 2001.

About JSON Editor Online

JSON Editor Online is a versatile, high quality tool to edit and process your JSON data. It is one of the best and most popular tools around, has a high user satisfaction, and is completely free. The editor offers all your need in one place: from formatting and beautifying your JSON data to comparing JSON documents or querying your JSON data. JSON is the most used data format between servers and browser, and JSON Editor Online is an indispensable tool for frontend and backend developers working with JSON data in their daily life.

Credit
Part of the documentation uses material from the Wikipedia article “JSON”, which are released under the Creative Commons Attribution-Share-Alike License 3.0.

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