Format, validate, and beautify your JSON data instantly. Free online tool with syntax highlighting, error detection, and advanced formatting options.
Configure how your JSON should be formatted
Sort object keys alphabetically
Remove all whitespace and formatting
Copy and paste your JSON data into the input area or use the sample data.
Choose your formatting options like indentation, key sorting, and minification.
Click format, beautify, or minify to process your JSON data instantly.
Copy the formatted result or download it as a file for your projects.
Powerful features to handle all your JSON formatting needs
Instantly validate your JSON data and get detailed error messages with line numbers.
Format and beautify your JSON with customizable indentation and key sorting.
Compress your JSON by removing unnecessary whitespace and formatting.
Easily copy formatted JSON to clipboard or download as a file.
Get detailed statistics about your JSON including size, structure, and compression ratio.
Works perfectly on all devices with responsive design and touch-friendly interface.
Everything you need to know about our JSON formatter
Yes, all JSON processing is done locally in your browser. Your data never leaves your device and is not sent to any servers.
There's no strict limit, but very large files (>10MB) may slow down your browser. For best performance, we recommend files under 5MB.
Our tool will show you exactly where the JSON is invalid with detailed error messages and line numbers to help you fix it.
Yes! Once the page loads, you can use the JSON formatter without an internet connection since all processing happens in your browser.
Absolutely! You can copy the formatted JSON to your clipboard or download it as a .json file directly to your computer.
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