JSON Formatter & Validator

Paste your JSON below to instantly format, beautify, and validate it. Syntax errors are highlighted in real time.

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 based on a subset of JavaScript and is widely used for APIs, configuration files, and data storage.

How to Use This JSON Formatter

• Paste your raw or minified JSON into the top text area
• Click Format & Validate to beautify and check for errors
• Click Minify to compress JSON for production use
• Click Copy Output to copy the result to your clipboard

Common JSON Errors

The most frequent JSON errors include: trailing commas after the last item in an array or object, unquoted property names, single quotes instead of double quotes, and unescaped special characters in strings.