Online Countdown Timer
One-tap presets, custom times and shareable links. The countdown shows in your tab title.
10:00
How to use the countdown timer
Tap a preset (1–60 minutes) or type any custom minutes and seconds, then press Start or the space bar. The remaining time mirrors into your browser tab title, so you can keep an eye on it from any tab. When time is up, the display flashes and the tab title blinks Time is up!
| Action | Key |
|---|---|
| Start / Pause / Resume | Space |
| Reset to the last duration | R |
| Fullscreen | F |
Shareable timer links
Every duration has a URL. Add ?m=10 for 10 minutes, ?m=25&s=30 for 25:30, or ?t=90 for 90 seconds. Bookmark a link, send it to a friend, or paste it into a lesson plan:
- 5 minute timer · 10 minute timer · 15 minute timer · 20 minute timer
- 25 minute timer · 30 minute timer · 45 minute timer · 60 minute timer
Common uses
- Cooking & baking — hands-free kitchen timer with a fullscreen display readable across the room.
- Exams & quizzes — project the countdown so every student sees the remaining time.
- Meetings — keep agenda items on track with visible timeboxes.
- Kids' routines — bedtime, brushing teeth, screen time, “five more minutes” made concrete.
Related tools
Measuring how long something takes instead? Use the online stopwatch with lap times. Doing focused work? The pomodoro timer cycles 25 minutes of work with 5-minute breaks automatically.