The tool first tries to parse your text using `JSON.parse()`. If it's valid JSON, it's then re-formatted with `JSON.stringify()` using indentation to make it 'pretty'. If it's not valid, it catches the error and tells you where to look.

1. Paste your raw JSON into the input box.
2. Click the 'Format / Validate' button.
3. If your JSON is valid, it will be beautifully formatted below.
4. If there's an error, a helpful message will appear telling you what's wrong.

• Debugging a JSON response from an API.
• Formatting a `.json` configuration file to make it easier to read.
• Validating JSON created by a user or another system.

• Pretty-Prints JSON: Turns minified JSON into a readable, indented structure.
• Validates Your Code: Instantly checks for syntax errors.
• Clear Error Messages: Helps you find and fix problems fast.
• Clean Interface: Simple, fast, and easy to use.

JSON (JavaScript Object Notation) is a lightweight data-interchange format. While it's easy for machines to parse, it can be hard for humans to read when it's 'minified' (all on one line). 'Pretty-printing' adds indentation and line breaks to reveal its nested structure.

All calculations and data processing for this tool are performed locally in your browser. We do not send any of your data to our servers, ensuring your information remains private and secure.