tooljar

    Classroom Timer

    Fullscreen timer for teachers and classroom activities

    10:00
    Keyboard: Space = Play/Pause, R = Reset

    How to Use the Classroom Timer

    Perfect for teachers, tests, and classroom activities. Use the projection mode toggle in the header for larger display on projectors.

    Features

    • Countdown Mode: Set a timer for tests, activities, or breaks
    • Count Up Mode: Track elapsed time for presentations or tasks
    • Clock Mode: Display current time for "work until X:XX" scenarios
    • Color Warnings: Visual color changes as time runs out
    • Sound Alerts: Audio warnings at 5 minutes, 1 minute, and end
    • Quick Adjustments: +1/-1 and +5/-5 minute buttons

    Keyboard Shortcuts

    • Space: Start/Pause timer
    • R: Reset timer