A FREE, Offline and native app allowing you to converter across Excel, JSON and XML.

Here are it's key features:

Key Features

Conversion Types:

Excel ↔ JSON
Excel ↔ XML
JSON ↔ XML
XML ↔ JSON

Advanced Capabilities like:

1: Multi-sheet Excel support
2: Background processing with coroutines
3: File preview before conversion
4: Smart data type detection
5: Pretty printing options
6: Custom XML root elements
7: Empty cell handling

🎯 Usage
Simply launch the activity and users can:

1: Swipe to select conversion type
2: Open a file
3: Preview the content
4: Convert with one tap
5: Save or share the result

The settings dialog allows customization of conversion parameters, and the help dialog provides comprehensive guidance.
This converter handles complex scenarios like nested JSON objects, multiple Excel sheets, XML attributes, and various data types while maintaining high performance through efficient memory usage and background processing.

Just install and get started, it's FREE.