GCal Duplicate & Duration от Joppe Avermaete

Google Calendar Duplicate & Duration Extension

A browser extension for Google Calendar that lets you duplicate events using a button or keyboard shortcut, and shows their total duration on event cards.

Default shortcut to duplicate an event: Shift + Click.

Features
- Duplicate Button: Adds a duplicate button to Google Calendar event details popup
- Event Duration Display: Shows the total duration of events on event cards
- Keyboard Shortcut: Quick duplicate events using a configurable keyboard shortcut
- Customizable Options: Configure the extension behavior through the popup options