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Countdown Timer Pro

Countdown Timer Pro

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A persistent countdown timer with background notifications
Type
Extension
Users
8 users
2
yu65*******************
View author page of yu65*******************
Published
Published on September 13, 2025
Version 1.0
Manifest version
3
Updated
Updated on September 13, 2025
productivity/tools
Extension Category
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View Countdown Timer Pro Chrome Extension on Chrome Web Store
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Countdown Timer Pro Chrome Extension Image 1

Description

This is a Chrome extension called "Countdown Timer Pro" - a persistent countdown timer with background notifications. It uses Manifest V3 and includes:

  • Popup interface with timer controls
  • Background service worker for persistent timing
  • Chrome storage for state persistence
  • Alarm system for background notifications
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