What does JSON beautify do?

Beautify adds proper indentation and line breaks to compressed JSON, making it easy to read and understand the data structure.

What does JSON minify do?

Minify removes all whitespace and line breaks, reducing file size. Useful for production environments and API responses.

How do I validate JSON?

Paste your JSON and the tool automatically validates it. Syntax errors will be highlighted with helpful error messages.

What are common JSON syntax errors?

Missing quotes around keys, trailing commas, single quotes instead of double, and unescaped special characters are common errors.

Can I format JSON from an API response?

Yes, paste any JSON response from APIs to format and analyze the data structure. Great for debugging API integrations.

What indentation options are available?

Choose 2 spaces, 4 spaces, or tabs for indentation. 2 spaces is most common in modern JavaScript development.

Is my JSON data secure?

Yes, all processing happens in your browser. Your JSON data is never sent to any server, ensuring complete privacy.

JSON Formatter & Validator

Format, beautify, and validate JSON data. Minify or prettify with syntax highlighting.

Format, beautify, and validate your JSON data with our free online JSON formatter. Transform compressed JSON into readable, properly indented code with syntax highlighting. Instantly validate JSON structure and get clear error messages for syntax issues. Minify JSON for production use or beautify it for debugging and documentation. Perfect for developers working with APIs, configuration files, and data manipulation. All processing happens locally in your browser for complete privacy.

Indent:

Input JSON

Output

Features

Syntax highlighting

Beautify/Minify

Validation

Tree view

Copy formatted

How to Use JSON Formatter & Validator

Paste JSON

Enter or paste JSON data

Format

Beautify or minify

Validate

Check for errors

Copy

Use formatted JSON

Frequently Asked Questions

JSON (JavaScript Object Notation) is a data format. Formatting adds indentation and line breaks for human readability while maintaining validity.

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