Build a Professional Invoice Generator with Python (Tkinter, PDF & Excel Logging)

In this tutorial, we build a professional Rental Invoice Generator using Python from scratch.

You’ll learn how to:
✔ Create a clean GUI using Tkinter
✔ Increase font size and improve UI usability
✔ Add Reset and Exit confirmation buttons
✔ Generate PDF invoices with a company logo
✔ Store invoice history automatically in Excel (openpyxl)
✔ Validate user input and handle errors properly

This project is perfect for:

Python beginners & intermediates
Anyone learning Tkinter GUI development
Developers building real-world business applications
Students working on Python projects

📌 Technologies Used:

Python
Tkinter (GUI)
FPDF (PDF generation)
OpenPyXL (Excel logging)

📂 The generated invoice includes:

Client details
Item description
Quantity & rate calculation
Automatic total computation
Company logo embedded in the PDF

By the end of this video, you’ll have a fully functional invoice system that you can customise for rentals, customs, logistics, or small businesses.

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Download the project:
https://drive.google.com/file/d/1d4H8...

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