Countdown Timer

A countdown timer application built using Python and Tkinter GUI.

Features

• User-friendly graphical interface built with Tkinter
• Robust HH:MM:SS input validation to prevent invalid time entries
• Real-time countdown progress tracking
• Displays remaining time in hours, minutes and seconds
• Dialog alerts displayed upon countdown completion
• Intuitive control states (start, pause, reset) for better user interaction
• Consistent widget styling for a clean and user-friendly interface

The application is designed with a strong focus on usability and clear user feedback through its graphical interface.

Technologies Used

• Python
• Tkinter

Screenshots

Main application window showing the countdown timer interface.

Countdown in progress showing active timer state.