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Gratuito JSON to Excel

Convert a JSON array of objects into an Excel (XLSX) or CSV spreadsheet. Nested objects become dotted columns. Runs entirely in your browser — no upload.

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JSON (array of objects)

💡 Converts a JSON array of objects into a spreadsheet — the keys become columns. Nested objects are flattened to dotted column names (e.g. address.city). Everything runs in your browser; your data is never uploaded.

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Como funciona

Turning a JSON API response or export into a spreadsheet for a colleague usually means a server-side converter. This does it in your browser with SheetJS.

1
You paste JSON
An array of objects (or an object of objects). It's parsed locally — nothing is uploaded.
2
Keys become columns
Each object becomes a row; nested objects are flattened to dotted column names (e.g. address.city) and arrays are stringified.
3
You preview the table
A live grid shows how the data maps to rows and columns before you export.
4
Download XLSX or CSV
SheetJS (loaded from its CDN) writes a real Excel file or a CSV, generated entirely on your device.