Preview
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Pick a mode, then hit Show full screen. The numbers size themselves to whatever you're using, from a phone propped on a desk to a classroom projector.
The timer keeps counting even if you refresh the page, and when it reaches zero the screen flashes and beeps. If your device is set to reduce motion, the screen changes color instead of flashing.
Put a countdown on the board for tests, centers or cleanup so nobody has to ask how long is left.
Keep speakers on time with a timer they can see from the stage.
Time sets and rests from across the room, or run the stopwatch for laps and planks.
A timer you can read with flour on your hands.
The 25-minute preset is a classic focus block. Take a five-minute break after each one.
Turn an old tablet or spare monitor into a giant bedside or office clock.
Space starts and pauses the timer or stopwatch. R resets it. F shows it full screen, and Esc comes back. In full screen you can also tap the screen to start or pause.
No. The beep uses your device's normal sound, so check that it isn't muted. The screen also changes when time is up, so you'll see it either way.
In full screen the site asks your device to keep the screen awake. Support depends on your browser and device settings.
Yes. It's based on the actual time, so switching tabs won't throw it off. If it finished while you were away, it shows "Time's up" when you come back.