Timers
Visual countdown timers for classrooms, events, and activities. Fullscreen mode, alarm sounds, and easy presets.
Free Online Countdown Timer for Classrooms & Events
A visible countdown changes the energy in a room. Students work faster, meeting participants stay on topic, and event hosts can keep activities running on schedule — all without anyone needing to watch a clock. A good countdown timer should be visible from across a room, simple to start and reset, and loud enough to announce when time is up.
The Countdown Timer is designed with exactly those needs in mind. The display scales to fill any screen — click fullscreen and project it on a classroom wall, a conference room TV, or an event stage monitor. The countdown turns red in the final seconds as a visual warning, and plays an alarm sound when time expires.
Common presets (1, 2, 5, 10, 15, 30 minutes) let you start a timer in one click for the scenarios you encounter most often — timed tests, group discussion rounds, activity rotations, and presentation practice. For custom durations, type in any hours/minutes/seconds combination and hit start.
Teachers use it for timed writing exercises, quiz countdowns, and station rotations. Meeting facilitators use it to keep agenda items on track. Event organizers use it to manage speaker transitions, trivia rounds, and audience activities. The browser tab title also counts down, so you can glance at the tab bar even when the window isn't in focus.
No installation, no account, and no ads interrupting the fullscreen display. The timer works offline after the first page load — useful in venues with unreliable Wi-Fi.