KOSTA Timer is a free Chrome extension designed to enhance productivity by providing a simple check-in and check-out timer. This tool allows users to set two specific times for alerts, helping to keep track of important tasks throughout the day. The intuitive interface ensures that users can easily manage their time without any complicated setup processes.

The primary feature of KOSTA Timer is its alarm functionality, which serves as a reminder for users to stay on task. By notifying users at pre-set times, it minimizes the chances of forgetting crucial activities. Overall, this add-on is a practical solution for anyone looking to improve their time management skills in a straightforward manner.