About

JSON Tools

JSON Formatter

Format, beautify, and validate JSON online with a fast free developer tool.

Features

  • Readable indentation
  • JSON validation
  • Browser-based processing

How to use it

  1. Paste or type JSON into the editor.
  2. Choose the formatting action.
  3. Review or copy the validated result.

Example and use cases

Format an API response before inspecting nested objects and arrays.

Useful for debugging API payloads, preparing configuration files, and checking JSON copied from logs.

JSON Tool

JSON Formatter & Validator

Format, validate and minify JSON data directly in your browser.

Input

Paste or enter your JSON data.

01

Enter JSON

Paste your JSON data into the input editor.

02

Parse JSON

The browser parses the JSON and checks whether the syntax is valid.

03

Format or Minify

Valid JSON can be formatted for readability or minified for a smaller output.

Example

Input

{"name":"John","age":25,"active":true}

Formatted Output

{
  "name": "John",
  "age": 25,
  "active": true
}

FAQ

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Frequently asked questions

Does the formatter send my JSON to a server?

The formatter runs in your browser, so your JSON stays in the current page.

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