SDC

Smart Data Converter

Convert JSON to CSV or SQL in seconds. Handles nested JSON by flattening keys.

About

Input JSON

Empty JSON

Paste JSON or drag & drop a .json file

Max size: 5MB. Nested objects will be flattened (e.g., user_address_city).

Import from URL (optional)

Paste a JSON API URL. The server will fetch and validate it.

Output format

Choose CSV for spreadsheets or SQL for database inserts.

Privacy First: we do not store your data. Processing happens in memory.

Result

Why convert JSON to CSV for Excel?

FAQ

Does this store my data?

No. Conversion happens in memory and the output is generated on demand.

Can it handle nested JSON?

Yes. Nested objects are flattened using underscore-separated keys.

What if my JSON is invalid?

You’ll get a clear validation error message (both in the browser and from PHP).

Is there a size limit?

Yes, 5MB maximum for safety and performance.