Set work and rest
Enter each interval in seconds for precise control.
Event & Time
Online Interval Timer
Build repeatable work and rest intervals in seconds.
Interval setup
Work intervalRound 1 of 5
00:45
Quick answer
How to use this free interval timer
Set work time, rest time and total rounds, then start. The timer advances through every phase automatically.
- Price
- Free
- Account
- No signup
- Privacy
- Browser-based
- Best for
- HIIT sessions, Pomodoro work, group exercises
A straightforward interval timer
Alternate focused work with planned rest periods. Set the work length, break length and number of rounds, then let the browser progress through every phase automatically.
Choose your rounds
Decide how many complete work cycles you need.
Follow each phase
The display changes phase and sounds a short cue automatically.
Common questions
Good to know
Does it repeat automatically?+
Yes. It alternates work and rest until the selected number of rounds is complete.
Can I skip an interval?+
Yes. The Next button moves immediately to the following phase.