Export your Excel sheet as CSV (File -> Save As -> CSV) then drop it here to convert to JSON. For native .xlsx with multiple sheets, the converter detects sheets and lets you pick which one to convert. Output is clean structured JSON with proper type inference and JSONPath-friendly key naming.
When to use this
Use when: developers need to import spreadsheet data into apps, finance / ops teams hand you an Excel and you need JSON for a tool, seeding configuration data from an Excel sheet, migrating Excel-based business data to a modern database / API.
Frequently Asked Questions
Do I need to convert XLSX to CSV first?
If your file is .csv, paste / drop directly. For .xlsx files with formulas or multiple sheets, the simplest path is: File -> Save As -> CSV (UTF-8) in Excel, then drop the CSV here. We can read .xlsx natively but multi-sheet workbooks need you to pick which sheet matters.
Will formulas be evaluated?
Excel evaluates formulas before saving to CSV - the CSV contains the values, not the formulas. So yes, formula values come through correctly. If you have errors (#REF!, #N/A), they'll appear as text in the JSON output.
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