Harmonia 🎸

Professional, accurate, and beautiful guitar tuner for desktop.

Harmonia is a modern, standalone guitar tuner application built with Electron. It features a sleek glassmorphic design, real-time pitch detection, and support for multiple popular tunings.

✨ Features

• Precise Tuning Engine: Real-time frequency analysis with visual needle and cents indication.
• Multiple Tunings:
  • E Standard
  • Drop D
  • Drop C
  • Double Drop D
  • DADGAD
  • Open G, Open D, Open C
  • And many more...
• Input Selection: Choose any connected microphone or audio interface.
• Visual Feedback: Glowing indicators for "In Tune", "Sharp", or "Flat".
• Custom UI: Frameless window with custom minimize/close controls and a beautiful dark glass aesthetic.
• Cross-Platform: Available for Windows, macOS, and Linux.

🚀 Download

Download the latest version for your operating system from the Releases Page.

• Windows: .exe (Portable)
• macOS: .dmg
• Linux: .AppImage

🛠️ Development

To build or modify Harmonia locally:

Prerequisites

• Node.js (v18 or higher)
• npm

Setup

# Clone the repository
git clone https://github.com/hinqiwame/harmonia.git

# Go into the app directory
cd harmonia

# Install dependencies
npm install

# Start the app in development mode
npm start

Build Distribution

# Build for Windows
npm run build:win

# Build for macOS (requires macOS and signing identities, or use GitHub Actions)
npm run build:mac

# Build for Linux
npm run build:linux

🏗️ Architecture

• Electron: App wrapper and window management.
• Vanilla JS: Audio processing and logic (no heavy frameworks).
• CSS Variables: Easy theming and consistent design.

📄 License

UNLICENSE