JSON to CSV and CSV to JSON Converter

Convert tabular JSON data to CSV for spreadsheets, or turn CSV rows into JSON objects. Conversion runs in your browser and does not upload your data.

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How to use this tool

How to use this tool

Paste an array of JSON objects or header-based CSV.
Select JSON → CSV or CSV → JSON.
Review and copy the converted output.

Frequently asked questions

What JSON shape can I convert to CSV?

Use an array of objects with matching keys, for example [{"name":"Alice","role":"Developer"}].

How are CSV columns named?

The first CSV row is treated as the header when converting to JSON.

Privacy

Your input is processed in your browser and is not uploaded or stored.