The "指定した日まであと何日残ってる？" Chrome add-on is a useful tool that displays the remaining time until a specified date in your Chrome tab. With this add-on, you can easily keep track of the days, weeks, and percentage remaining until your chosen date.

By default, the add-on displays the remaining days until the end of the year, making it perfect for those who are always curious about how much time is left in the year. However, you can also specify a different date and the add-on will show you the remaining time until that specific date.

One of the key features of this add-on is the ability to switch between different display modes. You can choose to see the remaining time as a percentage, the number of days, or the number of weeks. This allows you to customize the display to suit your preferences.

Additionally, the add-on provides the option to switch between white and black text color, ensuring that the display is easy to read and matches your browser's theme.

Overall, the "指定した日まであと何日残ってる？" Chrome add-on is a handy tool for anyone who wants to keep track of the remaining time until a specific date. Whether you're counting down to the end of the year or have an important event coming up, this add-on makes it easy to stay informed.