JSON Formatter & Validator
Format, validate, and beautify your JSON data instantly with syntax highlighting. Our JSON formatter detects errors and shows you exactly where they occur, making debugging quick and easy. Perfect for developers working with APIs, configuration files, and data processing.
How to Use
- Paste your JSON data into the text area above
- Click "Format" to beautify and validate your JSON with syntax highlighting
- If there are errors, they will be displayed with the exact location
- Use "Minify" to compress JSON into a single line
- Click "Copy" to copy the formatted or minified JSON to your clipboard
Frequently Asked Questions
What is JSON formatting?
JSON formatting (or beautifying) adds proper indentation, line breaks, and spacing to JSON data, making it human-readable. This is especially useful when working with minified JSON from APIs or production systems.
Why does my JSON show an error?
Common JSON errors include missing commas, trailing commas, unquoted keys, single quotes instead of double quotes, or unescaped special characters. Our validator will show you the exact line and character where the error occurs.
When should I minify JSON?
Minifying JSON removes all unnecessary whitespace, reducing file size. This is useful for production environments, APIs, or when you need to save space. However, minified JSON is harder to read, so use formatting during development.
Is my JSON data secure?
Yes! All JSON formatting and validation happens entirely in your browser. Your data never leaves your computer or gets sent to any server, ensuring complete privacy and security.