Excel to JSON

Convert a selected Excel sheet to JSON.

Drop Excel file here

Convert spreadsheet data to JSON. Up to 20 MB.

Output format

Upload XLS or XLSX, choose a sheet, and export JSON as objects (header row as keys) or as arrays of arrays. Processing stays in the browser.

Limitations

Only the selected sheet is included. Empty cells become empty strings; formulas and formatting are not exported. Max 10 MB.

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FAQ

Yes. Output as array of objects or array of arrays.

XLS and XLSX up to 10 MB in size are supported, processing takes place locally in the browser. Very large sheets may require a significant amount of memory, even with a reasonable file size.