SyncThemCalendars is a free Chrome add-on developed by Elad Shaham that allows users to easily sync multiple calendars across their Google Accounts. This handy tool enables users to block time in one calendar based on meetings and events from another calendar.

With SyncThemCalendars, you can seamlessly integrate your personal and work calendars. For instance, you can have all events from your personal calendar displayed in your work calendar, ensuring you never miss an important appointment. Additionally, you have the flexibility to mark events in the target calendar as private or share only specific parts of the data.

This add-on provides a convenient solution for individuals who manage multiple calendars and need to keep them in sync. Whether you're a busy professional juggling work and personal commitments or a team member collaborating with colleagues, SyncThemCalendars simplifies the process of managing and organizing your schedules.