🔥 FireTools

JSON to CSV Converter

Convert JSON array data to CSV format in your browser. Free, online, no upload, fully private.

Local processing

How to Use

Enter your input above. The result updates automatically. Use the copy button to copy the result.

Privacy

All processing happens in your browser. Your data is never uploaded to any server.

FAQ

Is my data uploaded?

No. The conversion happens entirely in your browser. Your data stays private.

What JSON structure is supported?

An array of flat objects is supported. Nested objects are serialized as JSON strings within the CSV cell.

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