---
title: Interval Timer
canonical: https://timernow.net/interval-timer
language: en
---

# Interval Timer

High-intensity interval training (HIIT), Tabata, and circuit workout timer with round indicators.

## Use

High-intensity interval training (HIIT), Tabata, and circuit workout timer with round indicators.

## Features

- Start
- Pause
- Reset
- Fullscreen
- Sound

## Limitations

Alerts may be delayed if the browser or device is suspended. Keep the page open for reliable operation.

## Related tools

- [Online Timer](https://timernow.net//index.md)
- [Online Stopwatch](https://timernow.net/stopwatch/index.md)
- [Online Alarm Clock](https://timernow.net/alarm/index.md)
- [Pomodoro Timer](https://timernow.net/pomodoro/index.md)
- [Countdown Timer](https://timernow.net/countdown/index.md)