JSON Formatter & Validator

Format, validate, and beautify your JSON data. All processing happens in your browser.

Indent:

Input JSONPaste your JSON here

Formatted Output

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data interchange format. It's easy for humans to read and write, and easy for machines to parse and generate.

Features

Format & beautify JSON
Minify JSON
Validate JSON syntax
Copy & download results

Privacy

Your data never leaves your browser. All processing is done locally using JavaScript. We don't store or transmit any of your JSON data.