What is JSON formatting?

JSON formatting (or beautifying) adds proper indentation, line breaks, and spacing to make JSON data more readable and easier to understand.

How do I validate JSON syntax?

Our JSON validator automatically checks your JSON syntax for errors and displays clear error messages with line numbers to help you fix any issues.

Yes, you can minify JSON by removing all unnecessary whitespace and formatting to create the smallest possible file size for production use.

Yes, this JSON formatter and validator is completely free to use with no subscriptions, registrations, or hidden fees required.

Your JSON data is stored locally in your browser for convenience, but never sent to our servers, ensuring your data privacy and security.

Beautiful color-coded JSON display with proper syntax highlighting for strings, numbers, booleans, and null values.

Comprehensive JSON validation with detailed error messages, line numbers, and character positions for easy debugging.

Complete analysis including file size, line count, object count, array count, and property count for your JSON data.

Choose between different indentation options (2 spaces, 4 spaces, or tabs) to match your coding standards.

Automatically saves your work locally in your browser, so you never lose your progress between sessions.

Fully responsive design that works perfectly on desktop computers, tablets, and mobile phones.