Format and beautify your JSON data with this easy-to-use online JSON Formatter. Perfect for developers and analysts working with APIs, configs, or structured data.
Our JSON Formatter and Validator is an essential tool for developers working with JSON data. JSON (JavaScript Object Notation) has become the universal format for data exchange between servers and web applications. This tool helps you quickly format, validate, and minify your JSON code for better readability and efficiency.
Properly formatted JSON is crucial for debugging, documentation, and maintaining clean code. Our formatter provides syntax highlighting, proper indentation (with customizable spaces), and error detection to help you work with JSON more effectively. Whether you're working with API responses, configuration files, or data storage, this tool will save you time and prevent errors.
JSON is used everywhere in modern web development - from REST APIs to NoSQL databases like MongoDB. Our formatter supports all valid JSON formats including arrays, nested objects, and all data types (strings, numbers, booleans, null). For more advanced JSON manipulation techniques, check out our comprehensive JSON guide on our blog.
This tool works entirely in your browser - your JSON data never leaves your computer, ensuring complete privacy for sensitive information. The formatter handles large JSON files efficiently, making it suitable for both small snippets and complex data structures.
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Easily convert minified or unreadable JSON into a well-indented, human-readable format for clarity and debugging.
Instantly detect syntax errors and invalid structures in your JSON input to ensure your data complies with JSON standards.
Toggle between raw, formatted, and collapsible tree view to explore complex nested JSON objects with ease.
Quickly copy the formatted JSON to your clipboard or download it as a `.json` file for use in your applications or projects.
Highlights specific lines or characters where parsing errors occur to help you correct mistakes fast.
All formatting happens on your device. Your JSON never gets uploaded or stored — making it secure for sensitive data.
Need compact output for storage or transport? Use the minify button to reduce your JSON to a single-line format.
100% free to use without registration. Unlimited formatting right from your browser.