Free Online JSON to CSV Converter

Convert a JSON array of objects to a CSV file instantly. All keys become column headers. Supports flat and shallow-nested JSON structures.

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Delimiter:

JSON Input

CSV Output

Frequently Asked Questions

What JSON structure can be converted to CSV?

The input must be a JSON array of objects where each object has the same keys. The keys become CSV column headers and each object becomes a row. Arrays of primitives or deeply nested objects are not directly supported.

How are nested objects handled?

Shallow nested objects are flattened with dot notation (e.g., address.city becomes a column). Deeply nested or array values are serialized as JSON strings within the CSV cell.

Can I download the CSV output?

Yes. After converting, use the download button to save the result as a .csv file you can open directly in Excel, Google Sheets, or any spreadsheet application.