Launched January 3, 2023

Final Countdown JS
A react hook library to handle all kinds of timers
Free17,511 impressions#38 of its week2 comments
Comments
>log in to comment- Manuel Ernesto Garcia· 3y ago
Nice lib!!
- Royler Marichal Carrazana· 3y ago
Great job!
Are you using React and need to create a timer? Use one of Final Countdown JS's five hooks and you'll create one in seconds for your website.
A React hook library providing countdown, countup, timer, and stopwatch functionality.
- for
- React developers needing easy timer components
- pricing
- open source
works withReactnpmyarnpnpm
Key features
5 features of Final Countdown JS
- useCountDown hook — Creates a customizable countdown timer with pause, resume, reset and finish callbacks.
- useCountUp hook — Creates a count-up timer with similar controls and formatting options.
- useStopwatch hook — Provides a stopwatch with optional end time, pause, resume and elapsed/remaining metrics.
- useTimer hook — Implements a timer that counts down from a start time with pause and finish events.
- Flexible formatting — All hooks return time strings with and without leading zeros for easy display.
Use cases
- Display a countdown for a sale or event on a React site
- Show elapsed time for a user session or game
- Implement a stopwatch for tracking task duration
- Create a timer that triggers an action after a set period
- Build a count-up animation for statistics or scores
Final Countdown JS FAQ
How do I install Final Countdown JS?+
Run npm install final-countdown-js or use yarn add / pnpm install.
Can I use the hooks without installing the package?+
Yes, the README suggests using Nova.js for dependency-free React hooks.
What formats are supported for start and end times?+
Times must be strings in dd:hh:mm:ss format, with an optional custom separator.
How can I run code when a timer finishes?+
Pass an onFinish function in the options object for any hook.
Is the library still maintained?+
The repository was archived on Dec 16 2025 and is now read-only.
Summarized by DevHunt from github.com · Sep 27, 2026. Details may change; check the official site.









