HIIT Settings
Warmup Duration
High Intensity Duration
Low Intensity Duration
Cooldown Duration
Rounds
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.