Xonix Tech

XLS to JSON Converter

Convert Excel files (.xls, .xlsx) to JSON format instantly. Free, secure, and works entirely in your browser.

Upload Excel File

Select your .xls or .xlsx file to convert to JSON format

Why Choose Our XLS to JSON Converter?

Professional-grade conversion with security and reliability you can trust.

100% Secure

Your Excel files are processed locally in your browser. No data is uploaded to our servers.

Lightning Fast

Convert Excel files to JSON in seconds with our optimized browser-based processing engine.

Developer Ready

Perfect JSON structure for APIs, databases, and web applications. Clean, formatted output.

The Best Free XLS to JSON Converter Online

Our XLS to JSON converter allows you to transform Microsoft Excel files (.xls, .xlsx) into JSON format instantly. This powerful web-based Excel to JSON converter supports both legacy .xls and modern .xlsx formats, making it the perfect solution for developers, data scientists, and API integration workflows.

How to Convert XLS to JSON

  1. 1Upload your Excel file (.xls or .xlsx) using the upload button above
  2. 2Our converter automatically processes the file and extracts all data
  3. 3Click "Download JSON File" to save your converted data

Supported File Formats

Microsoft Excel (.xls)

Legacy Excel format from Excel 97-2003. Our XLS to JSON converter handles all legacy spreadsheet files with precision.

Excel 2007+ (.xlsx)

Modern Excel format with enhanced features. Full support for complex spreadsheets and large datasets.

Perfect for Developers and Data Professionals

Our Excel to JSON converter is designed for developers, data scientists, and professionals who need reliable data conversion for APIs, databases, and web applications. Whether you're building web applications, mobile apps, or working with data analysis, this tool provides clean, structured JSON output that's ready for integration.

APIs

Databases

Web Apps

Mobile Apps

Frequently Asked Questions

Is this XLS to JSON converter completely free?

Yes! Our Excel to JSON converter is 100% free to use with no hidden costs, subscriptions, or limitations.

Do I need to install any software?

No installation required! This XLS to JSON converter works entirely in your web browser on any device.

Are my Excel files secure?

Absolutely! Files are processed locally in your browser and never uploaded to our servers, ensuring complete privacy.

What's the JSON structure output?

The output is a clean JSON array where each object represents a row from your Excel file, with column headers as keys.