Input

Loading editor

Output

Loading editor

About JSON Formatter and Validator

A JSON formatter and validator is an essential online tool that helps developers format, beautify, and validate JSON data. If you're working with messy API responses or need to check JSON syntax, a reliable JSON formatter and validator makes your development workflow smoother and more efficient.

JSON (JavaScript Object Notation) has become the standard format for data exchange between web applications, APIs, and databases. However, raw JSON data is often compressed and difficult to read, which is where a JSON formatter becomes invaluable.

Features

Formatting Capabilities

Pretty Print JSON

Format JSON with customizable indentation and line breaks for readability

Minify JSON

Compress JSON by removing whitespace and unnecessary characters

Syntax Validation

Detect and highlight syntax errors with detailed error messages

Advanced Features

Sort Keys

Alphabetically sort object keys for consistent formatting

Custom Indentation

Choose between 2-space, 4-space, or tab indentation

Copy & Download

Quickly copy formatted JSON to clipboard or download as file

Frequently Asked Questions

Our JSON formatter takes messy, unreadable JSON code and makes it clean and properly structured. It adds proper indentation, line breaks, and spacing so you can actually read and understand your JSON data. Think of it like a pretty print feature for JSON.

Nope! The tool is completely free and doesn't require any registration. Just paste your JSON and format it instantly.

While there's no strict character limit, extremely large files (several MB) might slow things down. For most everyday use cases, you shouldn't hit any limits using the JSON Formatter Tool

The most common issue is invalid JSON syntax. Make sure your JSON is properly structured with matching braces, brackets, and quotes. You can use a JSON validator to check for errors before formatting.

Yes! Most JSON formatters include both options - you can make it pretty (formatted) or compress it (minified) depending on what you need.

Formatted JSON is spread out with indentation and line breaks for easy reading. Minified JSON removes all unnecessary whitespace to make the file as small as possible, great for production use where file size matters.

Absolutely! The formatter handles any valid JSON structure - objects, arrays, nested data, etc.

Yes, it checks if your JSON is valid before formatting. If there are syntax errors, it'll let you know what's wrong and roughly where the problem is.

Your JSON data is processed entirely in your browser. Nothing gets sent to our servers or stored anywhere. It's completely private and secure.

Sure! It works great for any JSON-based config files, API responses, data exports, or whatever JSON you're working with.