JSON Formatter & Validator

Format, beautify, minify, and validate JSON data instantly with our free online JSON Formatter & Validator.

About This JSON Formatter & Validator

This free online JSON Formatter & Validator helps developers, students, and API users format, beautify, validate, and minify JSON data with a single click. It instantly checks whether your JSON syntax is valid and displays an error message if a problem is found.

Whether you're debugging API responses, editing configuration files, or preparing JSON for development projects, this lightweight tool provides fast and accurate results directly in your browser without uploading your data.

How to Use

1. Paste your JSON into the editor.
2. Click Format JSON to beautify it.
3. Click Validate JSON to check for syntax errors.
4. Use Minify JSON to remove unnecessary spaces.
5. Copy the result with one click.