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⏱ Free online timer

Interval Timer

A flexible interval timer for workouts, circuits, training rounds, and rest periods.

ReadyInterval Timer
01:00
⌁ Timer
Quick presets

Best ways to use this timer

Use this interval timer for intervals, workouts, circuit training, rest timing. Open it fullscreen when you need a clear display, or share the page when someone else needs the same timer.

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Common Uses

  • ◎ Intervals
  • ◎ Workouts
  • ◎ Circuit training
  • ◎ Rest timing
  • ◎ Fitness sessions
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About This Timer

This interval timer is fast, private, mobile-friendly, and works directly in your browser.

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Keyboard Shortcuts

  • Space — Start or pause
  • R — Setel ulang timer
  • S — Stop alarm
  • F — Fullscreen

How to use the Interval Timer

Press Start to begin, Pause to stop temporarily, and Reset to return to the original time. Use quick presets to switch duration, or enter a custom number of minutes.

The timer is designed to stay clean and distraction-free. Use fullscreen mode when you need a large classroom, workout, meeting, cooking, or focus timer.

FAQ

Is this interval timer free?

Yes. The interval timer is free to use directly in your browser.

Does this timer need an account?

No. timers.tools does not require login or account creation.

Can I use this timer on mobile?

Yes. The timer is designed for desktop, tablet, and mobile screens.

Does the timer work in fullscreen?

Yes. Use the fullscreen button for a larger timer display.

How to use the Interval Timer

An interval timer is built for repeating work and rest periods. It is useful for circuits, training, stretching, study rhythms, and any routine that alternates between timed phases.

Best uses

  • Workout work/rest cycles
  • Circuit training and stretching
  • Repeated focus and recovery blocks

Practical timing tip

Set intervals that match the activity rather than copying a routine blindly. Consistency and clear transitions matter more than extreme settings.

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timers.tools runs the countdown in your browser, stores timer preferences locally, and can recover active countdown state from an absolute target time after a reload or suspended tab.