JSON Formatter & Validator
Clean, format, and validate your JSON data instantly. Turn messy minified code into readable, structured data or optimize it for production.
Input JSON
Waiting…
Formatted Result
Developer FAQs
Beautifying (or Pretty Printing) takes raw, minified JSON and adds indentation and line breaks to make it human-readable. It is essential for debugging API responses.
Yes! As you type or paste your code, our tool automatically checks for syntax errors (like missing commas or brackets) and alerts you if the JSON is invalid.
All processing is done client-side using your browser’s JavaScript. Your JSON data never leaves your computer and is never sent to our servers.