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Preview of GCal Duplicate & Duration

GCal Duplicate & Duration by Joppe Avermaete

Lets you quickly duplicate Google Calendar events and shows their total duration in event cards.

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Duplicate event buttonEvent duration overlayExtension options
About this extension
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
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Permissions and dataLearn more

Required permissions:

  • Access your data for calendar.google.com

Optional permissions:

  • Access your data for calendar.google.com
More information
Add-on Links
Version
1.1
Size
19.11 KB
Last updated
4 days ago (Jul 18, 2025)
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License
MIT License
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Release notes for 1.1
Fixed an issue where duplicating events would unexpectedly reset the calendar view to the current date instead of staying on the selected week.
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