A fullscreen countdown timer with customizable target time, quick presets, current time/date display, fullscreen toggle, and stop functionality. Ideal for presentations, focus sessions, workouts, or any time-based activity.
- 🖥️ Fullscreen Display: Large yellow countdown timer centered on the screen with a one-click toggle for distraction-free view..
- ⏰ Set Target Time: Specify any hour/minute for today's countdown.
- ⚡ Quick Presets:
- Hourly buttons from 09:00 to 22:00.
- Increment buttons: +5min, +10min, +20min, +30min, +1h, +2h.
- 📅 Current Time & Date: Displays live clock and today's date with weekday at the bottom-right corner.
- 🔊 Alarm Sound: Plays a notification sound when the timer reaches zero.
- Clone the repository:
git clone https://github.com/your-username/fullscreen-countdown-timer.git- Open index.html in your browser.
- Set a target time using the input fields or quick preset buttons.
- Click Start Countdown to begin.
- Use the ⛶ button to enter fullscreen mode.
- Use Stop Timer to reset the countdown at any time.
- Replace alarm.mp3 with your own sound file for custom alerts.
- Adjust styles in style.css to fit your theme.
- Modify quick preset times or increments in script.js.
📜 License MIT License © 2025 Xinxiu TAO