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Excel to JSON Viewer

The Excel to JSON Viewer is a free, browser-based utility that converts Excel spreadsheets (.xlsx or .xls) into structured JSON for viewing and export. Ideal for developers, data analysts, and anyone needing to transform spreadsheet data into a programmatically-friendly format like JSON.

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Total Views
Upload Excel File
Supported Features
  • Excel to JSON conversion with formatting options
  • Preview data before conversion
  • Custom JSON structure configuration
  • Download JSON results
  • Copy to clipboard functionality
Data Preview
0 rows 0 columns
JSON Configuration
No columns available
JSON Output
{
    "message": "Process an Excel file to see the JSON output here"
}
0 KB 0 items

How to Use This Tool

Usage instructions coming soon!
Practical Use Cases
Convert spreadsheet data into JSON for API workflows.
Quickly inspect Excel content in JSON format for debugging.
Prepare configuration or dataset inputs from Excel for web apps.
Use JSON output for integration with NoSQL databases or client-side scripts.

Key Features

Excel File Support

Accepts .xlsx and .xls formats for conversion.

Use First Row as Header

Optional setting to map first row to JSON keys.

Live JSON Preview

View converted data instantly as formatted JSON.

Download or Copy JSON

Download the JSON data or copy it directly to your clipboard.

Privacy-First

All conversion happens in-browser—no data is sent to servers.

Frequently Asked Questions

Yes — it’s completely free and requires no registration.

It supports both `.xlsx` and `.xls` Excel formats.

Yes — there's an option to treat the first row as JSON header keys.

Yes — all processing happens locally in your browser; no uploads.

Absolutely — you can copy to clipboard or download the JSON file.

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