CSV to Excel Converter

A simple desktop app that converts CSV files into formatted Excel (.xlsx) files.

Features

• Upload any CSV file via file dialog
• Auto-adds a row number column (No) if not present
• Formats amount column with 2 decimal places and thousands separator
• Styled Excel output:
  • Blue header row with white bold text
  • Alternating row fill colors
  • Auto-sized column widths (max 40 characters)
  • Frozen header row
  • Thin cell borders

Requirements

• Python 3.x
• pandas
• openpyxl

Install dependencies:

pip install pandas openpyxl

Usage

Run directly with Python

python csv2excel.py

Run with the batch file (Windows)

1. Open run_csv2excel.bat and set the paths:
   • PYTHON_EXE — path to your python.exe (run where python in cmd to find it)
   • SCRIPT — full path to csv2excel.py
2. Double-click run_csv2excel.bat to launch

Run with the shell script (macOS/Linux)

1. Open run_csv2excel.sh and set the paths:
   • PYTHON_EXE — path to Python (run which python3 in terminal)
   • SCRIPT — full path to csv2excel.py
2. Make it executable and run:

chmod +x run_csv2excel.sh
./run_csv2excel.sh

How to Use the App

1. Click Upload CSV and select your CSV file
2. Click Convert to Excel
3. Choose where to save the output .xlsx file