How do I convert JSON to CSV?

Paste your JSON array or upload a JSON file. The tool will automatically flatten the objects and create a CSV file with headers from the JSON keys.

What JSON structure is required?

The tool works best with an array of flat JSON objects. Nested objects will be flattened using dot notation (e.g., "address.city").

Yes, the tool shows a preview of the converted CSV data before you download it, so you can verify the output.

Yes, all conversion happens locally in your browser. Your JSON data is never sent to any server.

Flatten JSON arrays into downloadable CSV spreadsheets.

Drop your JSON file here

or click to browse · Accepts .json files

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