Interval Timer – For Plank, Pomodoro & HIIT Workouts

🕒 Interval Timer - Web-based Productivity & Workout Timer

This lightweight, easy-to-use interval timer runs entirely in your browser and is perfect for:

- Plank and core workouts 💪

- Pomodoro-style study sessions 📚

- HIIT training and other time-based routines ⏱️

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🔧 Features

- Set your own Main Time and Interval Time (in minutes and seconds)

- Customize the number of repetitions (sets)

- Audio alerts for each phase (Main / Interval / Final Completion)

- ✅ Toggle Sound and Vibration ON/OFF with checkboxes

- Works offline — no installation needed (PC recommended)

- Responsive design for smartphones and desktops

- Compatible with modern browsers (Chrome, Edge, Safari, Firefox)

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📱 Note

This timer is designed for browser use.

If you're using a smartphone, please note that some browsers may restrict local file access (especially for ZIP-extracted files).

To ensure the best experience, follow the instructions in the included ReadMe file after purchase.

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🖼️ Screenshots

Desktop View

Mobile View

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🔊 Sound Credits

- Sound effects by OtoLogic (https://otologic.jp)

Get more control over your productivity or workout routine — right from your browser!