Interval Timer

HIIT, Tabata, and custom interval training with audio cues

Quick Start Presets

Custom Interval

Configure your own interval timer

Interval Preview
20s
Work
10s
Rest
20s
Work
10s
Rest
20s
Work
10s
Rest
20s
Work
10s
Rest
20s
Work
10s
Rest
20s
Work
10s
Rest
20s
Work
10s
Rest
20s
Work

Hear "Work", "Rest", and "Last round" spoken aloud during your workout

🔊 Custom Sounds

Upload your own audio files for work, rest, and complete phases. Supported formats: MP3, WAV, OGG

Total Time: 4m 0s
❤️

Heart Rate Monitor

Web Bluetooth is not supported in this browser.

Heart rate monitor requires Chrome, Edge, or Opera browser on desktop or Android.

Save your custom configuration for quick access later

💾

No Saved Programs Yet

Configure your perfect interval settings above and click "Save Program" to save it for quick access later.

Saved programs make it easy to start your favorite workouts with one click!

Share Your Configuration

Generate a shareable link with your interval configuration

📚 Related Resources

Browse Workout Templates - Pre-configured HIIT, Tabata, and circuit training programs

Looking for more fitness tools? Visit QuickHardwareCheck for Instant Device Testing Toolkit.