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JSON Formatter

Beautify and format JSON with configurable indentation. Produces clean, readable output instantly.

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What this tool does

JSON Formatter formats raw or compact JSON into an indented document. It accepts valid JSON objects, arrays and API responses and returns readable JSON with consistent indentation. Use it for debugging API responses, reviewing configuration files or preparing JSON for documentation.

Related extensions and formats

These are the formats and values directly related to the JSON Formatter workflow: valid JSON objects, arrays and API responses becomes readable JSON with consistent indentation.

JSON file

.json

A structured data file based on JavaScript Object Notation, widely used for APIs, configuration files and application state.

How to use this tool

  1. 1Paste or enter valid JSON objects, arrays and API responses into JSON Formatter.
  2. 2Adjust the available options when the tool provides extra controls.
  3. 3Review readable JSON with consistent indentation, then copy or download the result.

Common use cases

  • Use valid JSON objects, arrays and API responses for debugging API responses, reviewing configuration files or preparing JSON for documentation.
  • Generate readable JSON with consistent indentation without installing external utilities.
  • Quickly check valid JSON objects, arrays and API responses before pasting it into code, documentation or integrations.
  • Keep sensitive data in the browser during quick development tasks.

Frequently asked questions

What is JSON Formatter used for?

It is used for debugging API responses, reviewing configuration files or preparing JSON for documentation, converting or analyzing valid JSON objects, arrays and API responses to produce readable JSON with consistent indentation.

What input can I use with JSON Formatter?

Use valid JSON objects, arrays and API responses. The expected result is readable JSON with consistent indentation.

Does JSON Formatter send my data to the server?

No. DevMe tools are designed to process data in the browser whenever possible.