Code & Format

JSON Formatter

Enhance, compress, and validate JSON data. Free with indentation selection (2 spaces, 4 spaces, tabs), error location/message, copying, and .json download support.

JSON Formatter
Information

About JSON Formatter

JSON (JavaScript Object Notation) is the most commonly used data format for API responses, configuration files, and data exchange. JSON that is compressed to a single line or incorrectly indented is extremely difficult to read. This free JSON Formatter The tool instantly enhances and validates raw JSON text, and if it contains errors, it will tell you their exact location.

It offers three essential functions in one: Beautify The mode makes the JSON readable based on the indentation level you choose (2 spaces, 4 spaces, or tabs). Reduce This mode reduces JSON to a single line by removing unnecessary spaces; it's ideal for API overhead and bandwidth optimization. Verify The `JSON` mode checks the JSON syntax and reports whether it is valid or not; if there is an error, it displays a descriptive message along with row and column information.

All operations are performed entirely in your browser.client-sideThe process is carried out; none of the data you enter is sent to our server. You can copy the result to your clipboard with a single click or directly .json You can download it as a file. It's an indispensable tool for developers, data analysts, and those working on API integrations.

How to use it?

Step by step

  1. JSON text entrance area Paste or type.
  2. Select the action: Beautify (with indentation selection), Reduce or Verify.
  3. What you want for beautification indentation type Choose: 2 spaces, 4 spaces, or tab.
  4. The result is shown instantly; if there is an error... with row and column information It will be explained.
  5. Result copy or Download as a .json file.
FAQ

Frequently Asked Questions

JSON is a lightweight data exchange format that is readable by both humans and machines. Responses from APIs often come compressed into a single line (minified). Pretty-printing adds indentations and line breaks to this data, making it easier to read.

The browser's built-in JSON.parse() Syntax checking is performed using the function. If parsing fails, row and column information is extracted from the error message and shown to you, allowing you to quickly find the problem.

Beautification adds indentations and spaces to JSON for readability. Minification, on the other hand, reduces file size by removing all unnecessary spaces and line breaks. Minification saves bandwidth, especially in API requests or JSON embedded in source code.

Yes. All operations run solely in your browser; the JSON data you enter is never sent to the server. You can safely process JSON data containing private API keys or personal data.

When an output is generated as a result of the process Download (.json) The button becomes active. When you click it, your browser will display the result. output.json It saves it to your computer under that name.