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XLSX→JSON

Convert Excel spreadsheets to JSON

Processed locally

About this tool

Upload Excel files (.xlsx, .xls) and convert them to structured JSON data. Handles multiple sheets, merged cells, and various data types including dates and formulas. Preview each sheet as a table before export. Configure whether to use the first row as headers or generate numbered keys.

excelxlsxjsonconvertspreadsheetimportparse

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Excel FileUpload .xlsx / .xls

Upload an Excel file to convert to JSON.

First row as headers

Output

Output will appear here...