Developer Tools

Free JSON Formatter

Pretty-print compact JSON with selectable indentation and clear errors. The tool is designed for a clear result without an account, installation or complicated setup.

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How to Use JSON Formatter

  1. 1
    Step 1

    Add or enter a JSON object, array or primitive.

  2. 2
    Step 2

    Parse the input and choose two or four-space indentation

  3. 3
    Step 3

    Review readable syntax-formatted JSON, then copy or download it as needed.

What Is JSON Formatter?

JSON Formatter is a browser-based utility that pretty-print compact JSON with selectable indentation and clear errors. It accepts a JSON object, array or primitive, performs the transformation on demand and presents readable syntax-formatted JSON without changing the original source.

Why Use This Tool?

Purpose-built controls for parse the input and choose two or four-space indentation
Clear readable syntax-formatted JSON with friendly validation
Immediate browser-side processing
Responsive controls for desktop and mobile

Common Use Cases

  • Reading an API response.
  • Preparing a configuration snippet for review.
  • Handling a quick json formatter task without installing another application.

Helpful Tips

Comments, trailing commas and JavaScript object syntax are not valid JSON.

Check readable syntax-formatted JSON before using it in an important document, project or account.

JSON Formatter FAQ

Is JSON Formatter free?

Yes. Toolixa provides this json formatter without registration or a usage fee.

What should I know before using JSON Formatter?

Comments, trailing commas and JavaScript object syntax are not valid JSON.

Does Toolixa keep my input?

No. The input is transformed locally in the current browser tab.

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