XLSX to JSON Converter | MoonSys | MoonSys

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XLSX to JSON Converter

Convert Excel files (XLSX, XLS, CSV) to JSON format. Extract data from all sheets with structured output.

Upload Excel File

Choose Excel File (XLSX, XLS, CSV) or Drag & Drop

Output Format

Array FormatReturns array of sheets with data

Object FormatReturns object with sheet names as keys

Features:

Convert XLSX, XLS, and CSV files to JSON
Extract data from all sheets in the workbook
Choose between array or object output format
Preserve column headers as JSON keys
Include metadata (row counts, sheet names, etc.)
Download or copy JSON output
100% private - all processing happens in your browser