Classroom countdown timer
Set a clear countdown for think time, stations, transitions, and group work.
How to use it
- Set the title and duration.
- Start, pause, or reset the large classroom timer.
- Use the timer on the presentation screen while groups work.
- Export HTML when the presentation device is offline.
Example: two-minute think time
Start the timer after asking a question so every group gets the same thinking window.
Frequently asked questions
- Can I pause the timer?
- Yes. Pause keeps the remaining time until you start again.
- Does it need a server?
- No. The timer runs locally in the browser.
- Can I save a reusable timer?
- Export JSON or HTML and open it whenever you need it.