New Tab Countdown is a free Chrome add-on developed by Sebastian Liu. It offers a convenient way to keep track of countdowns right from your new tab page. With this add-on, you can easily customize multiple countdowns and choose from various time formats.

The main feature of New Tab Countdown is its ability to display countdowns for different time periods. You can set countdowns for the remaining time in the day, week, month, year, or even set a custom date and description. This flexibility allows you to use the add-on for a wide range of purposes, from tracking important events to managing project deadlines.

The add-on provides a user-friendly interface for managing countdowns. You can easily add or remove countdowns, and customize the time format for each countdown. Whether you prefer to see the time remaining in seconds, minutes, hours, days, or weeks, New Tab Countdown has you covered.

Overall, New Tab Countdown is a useful tool for Chrome users who want to have customizable countdowns on their new tab page. It is simple to use and offers a range of options for tracking time. If you often find yourself needing countdowns for various purposes, this add-on can be a valuable addition to your browser.