Paste messy JSON and get clean, indented output with syntax validation. Ideal for debugging API responses, inspecting payloads, and code reviews.
Paste messy JSON and get clean, indented output with syntax validation. Ideal for debugging API responses, inspecting payloads, and code reviews.
Common questions and answers about this topic.
It auto-formats and validates your JSON data with proper indentation, making it easy to read, debug, and share.
Yes, choose 2 or 4 spaces, or tabs. JSON convention typically uses 2 spaces.
Yes, if your JSON contains syntax errors, the tool will display an error message indicating where the problem is, helping you quickly fix invalid JSON.
No, JSON formatting is handled entirely in your browser. Your data is parsed and re-formatted locally with JavaScript — nothing leaves your device.