"Add your period to Calendar" is a Chrome extension designed to integrate menstrual cycle tracking directly into Google Calendar. This tool allows users to visually access their period information alongside their daily schedules, making it easier to plan events and commitments around their cycle. The extension is free to use and falls under the category of browser add-ons and tools.

This extension stands out by providing a straightforward solution for individuals who want to manage their time effectively while considering their menstrual cycles. By displaying the days of the period on the calendar, it helps users anticipate and prepare for their cycles, thus enhancing overall planning and organization.