Interval Timer Online
Use this free interval timer online for HIIT, circuit training, and custom workout intervals. This online interval timer runs directly in your browser, so you can set work and rest periods and start your workout right away.
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Online Interval Timer for HIIT and Circuit Workouts
Use this online interval timer when you need a quick workout timer without downloading anything. It works well for HIIT, circuit training, boxing rounds, conditioning intervals, and any routine built around repeated work and rest blocks.
How To Use This Interval Timer Online
Set your work and rest times inside the timer, review the full sequence, and start when you are ready. The timer runs directly in your browser so you can begin a workout with minimal setup.
1. Set your timing
Choose the work and rest durations that fit your interval workout.
2. Review the setup
Check the timer settings on screen, then use the start button inside the timer when you are ready.
3. Follow the alerts
Use sound cues to track each interval without watching the screen the whole time.
Interval Timer Online FAQ
What is an online interval timer?
It is a timer that runs in your browser and helps you alternate between work and rest periods during workouts and interval training.
Can I use this interval timer online without downloading anything?
Yes. You can use this interval timer online directly in your browser without installing anything first.
Is this timer good for HIIT workouts?
Yes. It works well for HIIT, circuit training, and other routines that rely on repeated work and rest intervals.
Does it play sound alerts?
Yes. Sound cues help you track interval changes without needing to watch the screen the whole time.
Need More Reliable Timing On Mobile?
Download the app if you want saved routines and more reliable timing when your phone goes into the background.
