KeyFlash

A modular Electron + Vite desktop app that flashes the screen when keyboard keys are pressed.

Included upgrades

• Separate components/modules
• Modern UI
• Live slider labels
• Live color palette preview
• Fullscreen toggle button
• F11 fullscreen shortcut
• Multiple key support
• Delay before flash
• Minimum gap between flashes
• Flash duration
• Flash strength / opacity
• Reset to default rainbow colors
• Local saved settings with electron-store
• Packaging with electron-builder

Project structure

electron/
  main.js
  preload.js
src/
  components/
    flash.js
    keyboard.js
    settings.js
    state.js
    ui.js
  main.js
  style.css
index.html
vite.config.js
package.json

Run

npm install
npm run dev

Build

npm run build