Define JSON

View JSON

About the JSON format

JavaScript Object Notation (JSON) is a lightweight data interchange format that is easy for humans to read and write, and easy for programs to parse and generate. It is used to store and transmit structured data.

JSON is widely used in web development for data exchange between client and server, as well as for configuration files and storing data in NoSQL databases.

Main data structures in JSON: objects (key–value pairs) and arrays (lists of values).

How to use the JSON Viewer

To use the JSON Viewer, simply paste your JSON into the text field on the left and click the "Process" button. You will see the formatted and validated JSON on the right side of the screen.

This Viewer is secure, data is not sent to the server, all operations are performed locally in your browser.

If your JSON contains errors, they will be displayed under the input field.

Main features of the viewer:

Tab text — view JSON with line numbers and color scheme. You can copy the entire text here.

Tab tree — tree-view JSON with the ability to collapse and expand nodes. Includes search and navigation through the structure. You can also copy a node, a key, or a value.

Tab table — tabular JSON view. Convenient for working with large amounts of data.

JSON array sorting — ability to sort JSON elements by keys.

JSON transformation — a powerful tool for changing JSON structure, including adding, removing, and editing elements. For example, you can select records with ID greater than 2 so that the JSON contains only the names.

Search in JSON — instant JSON search with highlighted matches.