If you've ever struggled with messy or broken JSON data, you're not alone. Whether you're building APIs, working with webhooks, or just trying to understand a response from a third-party service—clean and valid JSON is essential. In this guide, we’ll show you how to format, validate, and convert JSON instantly using FormatJSONOnline.com , a completely free and easy-to-use online JSON toolkit. ✅ What is JSON and Why Should You Format It? JSON (JavaScript Object Notation) is a lightweight format used for data exchange. It’s human-readable and widely used in APIs, configuration files, and databases. However, raw or malformed JSON can be difficult to read and debug. That’s why formatting and validating it is so important. 🛠️ Free JSON Tools You’ll Love Format JSON : Beautify raw JSON with proper indentation and colors. Validate JSON : Check if your JSON is syntactically correct. Compare JSON : Easily spot differences between two JSON objects. Convert JSON to XML : ...