Clockii for fitness
Power through HIIT, Tabata, and interval training with precision workout timers and audio cues
Train harder
Precision timing for every type of workout
HIIT & Tabata
Pre-configured intervals for popular high-intensity workouts. Just hit start and focus on your form.
Custom Intervals
Create your own work/rest intervals for any exercise routine. Set rounds, rest periods, and warm-up times.
Audio Cues
Loud alerts that cut through music and gym noise. Know exactly when to push and when to rest.
Lap Tracking
Use the stopwatch to track split times for running, swimming, and other timed activities.
Fullscreen Mode
See your timer from across the room or gym. Large, clear display that's easy to read mid-workout.
No App Needed
Works in your browser on any device. No downloads, no storage space, no updates to worry about.
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Ready to get started?
All tools are completely free. No sign-up required. No downloads. Just open and use!
