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JSON to Excel
Paste a JSON array and export a real Excel workbook with SheetJS — columns from your object keys, generated locally.
Generates a real Excel workbook in your browser with SheetJS — nothing uploaded.
🔒 This tool runs entirely in your browser. Your data is never uploaded.
Frequently asked questions
What input does it need?＋
A JSON array of objects; the object keys become columns and each object becomes a row.
Is the output a genuine Excel file?＋
Yes — it generates a proper .xlsx workbook with SheetJS that opens in Excel, Google Sheets and Numbers.
Is my data private?＋
Yes — the workbook is created in your browser; nothing is uploaded.