Class Activity Timer

What Is a Class Activity Timer?

A class activity timer is a large, visible on-screen countdown used to pace group work, presentations, silent reading, or timed exam sections — giving the whole room a shared, glanceable sense of how much time remains.

Why a Visual, Color-Coded Countdown?

A plain number is easy to miss from across a room. Color coding — green fading to gold to a pulsing red — lets students register urgency peripherally, without needing to stop and read an exact figure.

Built for Projectors

Fullscreen mode expands the timer to fill the entire display, with digits large enough to read clearly from the back of a classroom when projected — no separate app or software needed.

Flexible Mid-Activity

Real class activities rarely run exactly as planned. Pause the timer for an interruption, add a minute or five if a discussion is going well, or reset entirely — all without losing the visual continuity students have been tracking.

Common Classroom Uses

• Timing group work or station rotations.
• Pacing student presentations fairly and consistently.
• Running timed sections of an exam or quiz.
• Structuring silent reading or independent work blocks.
• Keeping brainstorming or discussion segments on schedule.

Sound On or Off

An audible alert plays automatically when time runs out, useful when students aren't looking at the screen. Turn sound off for silent testing environments and rely on the flashing red display instead.

Nothing Is Saved or Uploaded

The timer runs entirely in your browser tab. Closing or refreshing the page resets it completely — there's no account, no history, and nothing stored anywhere.