Shadow Boxing Randomizer

A professional, voice-coached shadow boxing workout randomizer built by Wim Demeere.

Live version: https://wimdemeere.github.io/shadow-boxing/

Features

• Customizable round length, rest time, and number of rounds
• Multiple modes: Boxing, Kickboxing, Muay Thai, and MMA
• Single technique or combination mode
• Intelligent combo generation (no technique or same-side repeat more than twice in a row)
• Voice coaching with adjustable call tempo
• 3-2-1 countdown with voice ("begin")
• Screen Wake Lock support (keeps your phone screen on during workouts)
• Fully responsive and works great on mobile

How to Use

1. Open the app: https://wimdemeere.github.io/shadow-boxing/
2. Configure your session (round length, rest, number of rounds, mode, etc.)
3. Tap START
4. Follow the voice calls and technique prompts

Installation (PWA)

You can install this app on your phone for quick access:

• Android: Open in Chrome → tap the menu → Install app
• iOS: Open in Safari → tap Share → Add to Home Screen

Deployment

This is a static single-file web app. You can host it on:

• GitHub Pages (current hosting)
• Netlify
• Vercel
• Any static hosting service

Just upload the index.html file (and optionally the manifest.json + icons for PWA support).

Credits

Created by Wim Demeere
https://wimsblog.com

Support the project: Donate via PayPal

This project is licensed under the MIT License.

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Feel free to use this tool for your training. Feedback and suggestions are welcome.