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Excel to JSON Converter

Open XLSX/XLS locally, choose a sheet, use the first row as headers, and download formatted JSON.

Choose a workbookThe first worksheet row becomes object keys. Duplicate or blank header names are normalized.

How to use this Excel to JSON Converter

Convert an Excel worksheet to JSON objects. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.