HIIT workouts with interval timer
Use this free interval timer online for HIIT workouts when you need a simple browser-based timing tool.
Interval Timer
Free online toolNo login requiredWorks instantly in your browser
Run work/rest interval sessions online with a free HIIT and interval timer built for workouts, Tabata, and circuit training.
Use the interval timer directly in your browser with no account required. Keep it open while you work, train, study, or cook.
Ways To Use This Timer
Tabata training with interval timer
Use this free interval timer online for Tabata training when you need a simple browser-based timing tool.
circuit training with interval timer
Use this free interval timer online for circuit training when you need a simple browser-based timing tool.
work/rest cycles with interval timer
Use this free interval timer online for work/rest cycles when you need a simple browser-based timing tool.
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Frequently Asked Questions
How do I use this interval timer?
Open the page, press Start, and use the timer tool directly in your browser. You can pause, reset, and keep it visible while you work, train, or study.
What is this interval timer useful for?
This interval timer is useful for HIIT workouts, Tabata training, circuit training, plus any task where you need a simple browser-based timing tool with no signup.
Does this interval timer work on mobile and desktop?
Yes. The tool runs in modern browsers on phones, tablets, laptops, and desktops.
Does this interval timer have a sound alarm?
Yes. An alarm plays when the countdown ends. You can change the alarm sound or mute it completely in the timer settings.
Is this interval timer free?
Yes. No account or payment needed — just open the page and press Start.