JSON Formatter & Beautifier
About JSON Formatter
The JSON Formatter & Beautifier helps you format and validate JSON data with ease. Paste messy or minified JSON and instantly get readable, properly indented output. Perfect for developers working with APIs, configuration files, or any JSON data. The tool validates your JSON syntax in real-time and provides clear error messages if the JSON is invalid.
How to Use
- Paste or type your JSON data into the input field.
- The tool will automatically format and validate your JSON after a brief pause.
- Click "Format" to manually trigger formatting with your chosen indentation.
- Adjust the indent size (2, 4, or 8 spaces) to match your preferences.
- Click "Copy" to copy the formatted output to your clipboard.
Frequently Asked Questions
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write, and easy for machines to parse and generate. It is commonly used for transmitting data between a server and web application.
How do I know if my JSON is valid?
The JSON formatter will automatically validate your JSON as you type. If there are syntax errors, you will see a red error message explaining what went wrong. Valid JSON will be successfully formatted in the output area.
What is JSON formatting?
JSON formatting adds indentation and line breaks to make JSON human-readable and easier to understand. It organizes the structure with consistent spacing, making it perfect for development, debugging, and code reviews.
Can I change the indentation size?
Yes! Use the "Indent" dropdown menu to choose between 2, 4, or 8 spaces for indentation. This allows you to match your project's coding standards or personal preferences.
Is my JSON data secure?
Absolutely! All JSON formatting and validation happens entirely in your browser. Your data is never sent to any server, ensuring complete privacy and security. This tool works offline once loaded.
What are common JSON syntax errors?
Common JSON errors include: missing quotes around property names, trailing commas after the last item in arrays or objects, single quotes instead of double quotes, and unescaped special characters. The error message will help identify the specific issue.