JSON Formatter

Format, validate, and beautify your JSON data.

About This Tool

JSON (JavaScript Object Notation) is a lightweight data-interchange format. This tool helps developers format messy JSON into a readable structure or minify it for production use.

How to Use

Paste your JSON string into the input box.
Click "Format" to beautify it with indentation.
Click "Minify" to remove whitespace.
If there is an error, the tool will tell you.

Features

Syntax validation
Pretty print (Beautify)
Minification
Error reporting

Frequently Asked Questions

Is my JSON data safe?

Yes, all processing happens in your browser. No data is sent to our servers.

Why is my JSON invalid?

Common errors include missing quotes around keys or trailing commas. The tool will show the error message.