Classroom Timer — One-Tap 5/10/15 Minute Countdown for Teachers
Who this is for: For teachers who manage transitions by the clock — silent reading, station rotations, clean-up sprints, exit tickets — and want one tap on a projector to start the countdown, not a settings menu.
Not the right tool for: Alarms when the tab is closed — keep the projector tab open and the chime will sound · Individual student pacing — one clock rules the room; personal timers are a different tool
A big-screen countdown timer for teachers — one-tap 1, 3, 5, 10, and 15 minute presets, full-screen digits, and a chime the whole class hears.
Quick answer: A classroom timer is a big-screen countdown with one-tap presets for the blocks teachers actually run: 1, 3, 5, 10, and 15 minutes. Tap a preset, press Start, and project it full-screen — the class sees the digits and hears the chime at zero.
| Presets | 1 / 3 / 5 / 10 / 15 minutes, one tap |
|---|---|
| Display | Full-screen digits for projectors |
| Alert | Chime at zero + red final 10 s |
| Account | None — free, no signup |
Why a dedicated classroom timer?
Classroom time lives in short, repeating blocks, so the presets are the product: one tap on 5 or 10 minutes starts the countdown immediately — no typing, no scroll of shame while the class waits. The digits are sized for the back row, the final ten seconds turn red so students can pace themselves without being told, and the chime at zero is loud enough to cut through chatter. It runs in any browser, which means the classroom projector, a smartboard, or a borrowed laptop all work the same.
Common uses
- Timed silent reading and writing sprints
- Station and group-work rotations
- Clean-up and transition countdowns
- Quiz and test segments with a visible clock