15-Minute Timer
A bold fifteen-minute countdown for workshop activities, brainstorming and longer breaks.
The short answer: press Start for a 15-minute countdown with an alarm at zero. To put a 15-minute timer on top of your PowerPoint while you present, download SlideTimerApp and tap the 15-minute preset — it floats over your live Slide Show instead of living in a browser tab.
What a 15-minute timer is good for
- Workshop activities and group challenges
- Brainstorming and ideation sprints
- Longer breaks at conferences and trainings
- Sustained reading or independent work
How to use a 15-minute timer in PowerPoint
This page is great for a quick countdown on your screen. But a browser tab cannot stay on top of a full-screen Slide Show. For that, use the free overlay app:
- Download SlideTimerApp. Open the free portable Windows app.
- Tap the 15-minute preset. Or type any minutes and seconds.
- Pin it on top and present. Press F5 — the 15-minute countdown floats over your slides and rings at zero.
Put this timer on top of your slides
SlideTimerApp floats a transparent 15-minute countdown over PowerPoint, Google Slides or Canva — free for Windows.
Download SlideTimerApp free ~3 MB · Windows · works offlineMore timers
1-minute timer
Free online 1-minute countdown.
5-minute timer
Free online 5-minute countdown.
10-minute timer
Free online 10-minute countdown.
20-minute timer
Free online 20-minute countdown.
Frequently asked questions
Is this 15-minute timer free?
Yes. It is a free online 15-minute timer that runs in your browser, with start, pause, reset and an alarm when time is up.
How do I add a 15-minute timer to a presentation?
Download SlideTimerApp and tap the 15-minute preset to float the countdown over PowerPoint, Google Slides or Canva while you present, so the time is always in view.
Can I keep the 15-minute timer on top of my slides?
Yes, with the SlideTimerApp desktop app. Because it is an always-on-top overlay window, the 15-minute countdown stays above your full-screen Slide Show.