Day Countdown is a useful Chrome add-on developed by Munsifali Rashid. This free program adds a new button to your toolbar, allowing you to easily access a full calendar and see the number of days left to each date.

With Day Countdown, you can click on a date to add events and keep track of the number of days remaining until that date, all from your browser toolbar. The add-on also conveniently displays the event name when you hover over the button.

This simple and straightforward tool is perfect for anyone who wants to keep track of important dates and events. Whether you're counting down to a birthday, a vacation, or an important deadline, Day Countdown makes it easy to stay organized and never miss an important date again.