How to Use This Tool:

1. Import Files

   • Click “📁 Import CSV” for CSV files

   • Click “📁 Import Excel” for XLSX/XLS files

   • Your data will automatically display in the preview table

2. Export Files

   • Click “Export CSV” to download as CSV

   • Click “Export Excel” to download as XLSX

   • Files will save automatically with default names

3. Preview Data

   • View your entire dataset in the scrollable table

   • Column headers are clearly displayed

   • All data types are preserved

Key Features:
✔ Two-way conversion between CSV and Excel formats
✔ Clean interface with intuitive controls
✔ Real-time preview of your data
✔ Error handling for invalid files
✔ Sample data pre-loaded for testing

Supported Formats:
• CSV (Comma Separated Values)
• XLSX (Excel 2007+)
• XLS (Legacy Excel)

Pro Tips:
• Large files may take a moment to process
• The first row is always treated as headers
• All exports use UTF-8 encoding