Google Calendar Duplicate & Duration

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

As of May 2026, Google Calendar Duplicate & Duration has 126 users and a 5.00/5 rating from 3 reviews in the Workflow & Planning category.

Workflow & Planning★ Featured

Chrome Web Store ↗.crx

Users+22.3%

126

Rating0%

5.00

3 reviews

Reviews0%

Version

1.2

Manifest V3

History

4 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	103	5.00	3	1.2
Apr 21, 2026	110	5.00	3	1.2
May 6, 2026	114	5.00	3	1.2
May 17, 2026	122	5.00	3	1.2
Now	126	5.00	3	1.2

Permissions & access

Permissions: activeTabstorage
Host access: https://calendar.google.com/*

Screenshots

Google Calendar Duplicate & Duration screenshot 1

Google Calendar Duplicate & Duration screenshot 2

About

Google Calendar Duplicate & Duration Extension

A browser extension for Google Calendar that lets you duplicate events with a button or keyboard shortcut (without resetting to the current day) and displays each event’s total duration on its card.

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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