QuizShelf

Classroom timer

A large countdown for think time, transitions, and breaks.

Classroom timer

Think time

05:00Ready

Classroom countdown timer

Set a clear countdown for think time, stations, transitions, and group work.

How to use it

  1. Set the title and duration.
  2. Start, pause, or reset the large classroom timer.
  3. Use the timer on the presentation screen while groups work.
  4. 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.