HIIT Settings
Warmup Duration
High Intensity Duration
Low Intensity Duration
Cooldown Duration
Sound Settings
HIIT Timer Features
🔥 Customizable Intervals
Set precise warmup, work, rest, and cooldown periods with separate minute and second controls for complete workout customization.
⚡ Visual Timeline
Interactive workout timeline shows your entire session at a glance with progress tracking, completed intervals, and current position.
🎵 Custom Sound Alerts
Choose from 40+ notification sounds including bells, drums, electronic beats, and ambient tones with preview functionality.
💾 Auto-Save Settings
Your timer preferences, sound choices, and workout configurations are automatically saved and restored between sessions.
📊 Progress Tracking
Real-time progress bars, elapsed time, remaining time, and next interval preview keep you motivated throughout your workout.
🎯 Precision Timing
Accurate timing down to the second with pause/resume controls and visual interval transitions for optimal workout performance.
🌈 Color-Coded Intervals
Distinct colors for warmup (orange), work (red), rest (green), and cooldown phases make interval identification instant and intuitive.
📱 Mobile Optimized
Responsive design with scrollable timeline, touch controls, and optimized display for workout on any device, anywhere.
🏃♂️ Multi-Round Support
Configure up to 20 rounds with automatic transitions between work and rest periods, perfect for any HIIT workout intensity.
Try Our Timing Tools
Featured Training Articles
Ultimate Guide to Workout Timers
Master the art of timed training with our comprehensive guide covering HIIT, interval, and round timers. Learn which timer suits your fitness goals and how to maximize your workout results.
Master Your First HIIT Timer Workout
Start your HIIT journey with confidence. Learn proper work-to-rest ratios, safety guidelines, and equipment-free exercises perfect for beginners ready to transform their fitness.
The Psychology of Timed Workouts
Discover how structured workout timing optimizes brain function, enhances motivation, and creates lasting behavioral change through neuroplasticity and habit formation.
The Science Behind HIIT Training
Discover the scientific mechanisms that make HIIT so effective. Learn about EPOC, metabolic adaptations, and optimal timing protocols backed by research.
Perfect Workout Timer Setup
Professional guide to timer equipment selection, installation, and safety protocols. Transform your workout space with expert equipment recommendations.
15 Minute HIIT for Busy Professionals
Apply HIIT science to real-world constraints. Discover time-efficient protocols that deliver maximum health benefits for demanding professional schedules.