Workout Interval Timer
Set up visible work and rest rounds for a home workout, gym session or group class. Choose a routine, edit its durations and rounds, then press Start.
Choose a workout preset
HIIT, Tabata, boxing and EMOM routines are available in Set up. You can edit work time, rest time, rounds and preparation time before applying the routine.
Optional spoken phase cues
Enable Speak phase and round changes if you want browser speech to announce transitions. Speech depends on your device and browser; the timer also shows each phase visually.
Phone and large-screen use
Use fullscreen on a TV or projector. The phone remote feature is available only when the site’s PHP relay endpoint is deployed and reachable.
Frequently asked questions
Can I customize intervals?
Yes. Open Set up, choose a preset, change the work/rest durations and round count, then select Use this workout.
Are voice cues required?
No. They are optional and off by default.