How It Works
A fast, fullscreen, customizable countdown timer with shareable links, responsive layout, and privacy-focused design.
Getting Started
Set Your Time
Enter hours, minutes, and seconds. The timer fits the screen automatically with large, mono-spaced digits for maximum readability.
Customize
Pick a theme, toggle progress indicators, choose display mode (numbers or horizontal progress bar), add a subtitle, and enable audio alerts.
Share
Generate a share link with all settings embedded in the URL (duration, theme, progress, autoplay, mode). It works instantly on any device.
Control
Start, pause, reset, fullscreen toggle, and auto repeat. Keyboard shortcuts optimize presentations and workouts.
Features & Benefits
Fullscreen Countdown
High-visibility digits sized with viewport units. Perfect for classrooms, conferences, live events, and streaming.
Custom Themes
Multiple themes with accessible contrast, glass effects, and accent colors. Switch instantly and share your preferred look.
Shareable URLs
Copy a link with your exact configuration. Ideal for remote teams, event organizers, and repeatable workflows.
Progress Modes
Choose Numbers Mode or a Horizontal Progress Bar. Visual feedback adapts to your presentation style and screen layout.
Audio Alerts
Sound notifications when the timer completes. Optional beeps and visual blink effects help keep audiences on schedule.
Auto Repeat
Restart automatically at zero for interval training, recurring blocks, sprints, or iterative presentations.
Mini Remote Control
Control the main countdown from a compact window. Open the mini remote, sync states instantly, and manage play, reset, progress bar, mirror mode, and more without leaving your presentation view.
Target Time
Set a precise future date and time to count down to. The timer stays synchronized with real time even after pauses, and the URL can be shared so everyone sees the exact same target in their local clock.
FAQ
Is it free?
Yes. FullCountdown is free and does not require an account. Your settings remain private in your browser.
Can I share a timer?
Absolutely. Use the share button to generate a URL containing your duration, theme, progress, and display mode.
Does it work on mobile?
Yes. The layout is mobile-friendly and touch-optimized. Controls are accessible and responsive.
What about performance?
Optimized rendering, reduced motion fallback, and responsive typography ensure smooth performance and accessibility.
Ready to Try the Timer?
Launch the fullscreen countdown with your preferred settings and share it in seconds.
Start Timer Now