How to Format JSON Online

A JSON formatter checks JSON syntax and makes structured data easier to read. GlobalToolHub provides a free online interface for formatting or minifying JSON in your browser. Paste JSON, choose the available formatting controls, and review the result. This is a syntax tool, not a validator for your application's business rules.

How to Format JSON Online

1. Paste JSON into the input. 2. Select the formatting or minifying action. 3. Correct any reported syntax error. 4. Copy or download the result using the available controls.

Worked example

The compact input {"name":"Ada","active":true} can be indented without changing its object properties.

Check the result

JSON requires quoted property names and does not allow comments or trailing commas. Formatting is not encryption and does not establish that a document matches an application schema.

Related tools and guides

Frequently asked questions

What does the json formatter do?

A JSON formatter checks JSON syntax and makes structured data easier to read. GlobalToolHub provides a free online interface for formatting or minifying JSON in your browser. Paste JSON, choose the available formatting controls, and review the result. This is a syntax tool, not a validator for your application's business rules.

What should I check before using the result?

JSON requires quoted property names and does not allow comments or trailing commas. Formatting is not encryption and does not establish that a document matches an application schema.