Excel to JSON - Free Online Tool | PivaBox

Convert Excel and CSV files to JSON — upload and get structured data

How to Use Excel to JSON Converter

1. Upload an Excel (.xlsx, .xls) or CSV file via the drop zone or file picker
2. Toggle First row as headers if your file has a header row. Select a specific sheet if the workbook contains multiple sheets
3. Review the JSON preview, then click Copy JSON or Download .json to export. All processing happens locally in your browser.

Frequently Asked Questions

Is Excel to JSON Converter free?

Yes, PivaBox Excel to JSON Converter is completely free. No limits or subscriptions.

Is my file uploaded to a server?

No. All file reading and conversion runs entirely in your browser. Your file never leaves your device.

What file formats are supported?

We support <strong>.xlsx</strong> (Excel 2007+), <strong>.xls</strong> (legacy Excel), and <strong>.csv</strong> (comma-separated values). The first sheet is selected by default; switch sheets using the dropdown if the workbook has multiple tabs.