Excel to JSON Converter

Convert Excel to JSON instantly with our free online tool. This Excel to JSON converter transforms your XLSX, XLS, and CSV files into clean JSON format without requiring any file uploads. All conversion happens locally in your browser, ensuring your data remains private and secure.

Perfect for developers, data analysts, and anyone needing to convert spreadsheet data to JSON format for APIs, web applications, or data processing workflows.

🔒 No Upload Required - Works Offline

Key Features

How to Convert Excel to JSON

  1. Click the upload area or drag and drop your Excel file (supports .xlsx, .xls, and .csv formats)
  2. Select your conversion options: header row, start data row, and data type preferences
  3. Choose which sheets to convert (if your file contains multiple sheets)
  4. Click "Convert to JSON" to generate your JSON output
  5. Copy the JSON to your clipboard or download it as a file
Click here or drag and drop your Excel file
Supports .xlsx, .xls, .csv files

Conversion Options

The .json extension will be added automatically

Select sheets to convert:

Frequently Asked Questions

How do I convert Excel to JSON?
Simply drag and drop your Excel file (XLSX, XLS, or CSV) into the upload area, select your conversion options, and click convert. The JSON output will be displayed instantly.
Do I need to upload my files?
No, this tool works entirely in your browser. Your files are never uploaded to any server - all processing happens locally on your device for maximum privacy and security.
What Excel file formats are supported?
This converter supports XLSX (Excel 2007+), XLS (Excel 97-2003), and CSV file formats.
Can I convert multiple sheets?
Yes, you can select which sheets to convert from your Excel workbook. You can convert all sheets at once or choose specific sheets.
Is this Excel to JSON converter free?
Yes, this is a completely free tool with no registration required. You can convert unlimited Excel files to JSON format.