JSON Formatter

Format, validate, and beautify JSON data - fix syntax errors, minify, or make it readable with proper indentation

Indentation

2 spaces

4 spaces

Tab

Sort object keys alphabetically

How to Use JSON Formatter

Paste your JSON data in the input area
Click 'Format & Validate' to check for errors and beautify
Adjust indentation and options as needed, then copy or download

Why Use Our JSON Formatter?

Real-time JSON validation and formatting
Detailed syntax error messages with line numbers
100% free with unlimited usage
Complete privacy - all processing in your browser
Flexible formatting options (2/4 spaces, tabs, minify)
Detailed JSON statistics and structure analysis

Common Use Cases

API Development

Format API responses and requests for better readability during development and debugging.

Configuration Files

Validate and format JSON configuration files for applications, ensuring proper syntax.

Data Processing

Clean and format JSON data exports from databases or analytics tools.

Debugging

Identify and fix JSON syntax errors with precise line and column error reporting.

Frequently Asked Questions

Is my JSON data safe and private?

Yes! All JSON formatting and validation happens completely in your browser. Your data is never uploaded to our servers or stored anywhere. It's 100% private and secure.

Is there a size limit for JSON files?

No artificial limits! You can format JSON of any size. Since everything runs locally in your browser, the only limit is your device's memory.

How do I fix JSON validation errors?

The tool shows the exact line and column where the error occurs. Common issues include missing commas, unmatched brackets, or unquoted keys. Check the error message for details.