A simple browser-based chromatic tuner that works on both mobile and desktop.
Uses your device microphone to detect pitch and display:
- Note (A4, C#3, etc.)
- Frequency (Hz)
- Cent deviation (sharp/flat amount)
- Circular visual tuning meter
No installation required — just open in your browser and start tuning.
- Works on iPhone / Android / PC
- Real-time pitch display
- Chromatic tuning (all notes)
- Lightweight single-file implementation (
index.html) - Microphone-based input (HTTPS required)
- Clear and responsive tuning meter
👉 https://tuner.dim.productions
Allow microphone access when prompted.
free-online-guitar-tuner/
├── index.html # main tuner
├── m/ # Mobile
│ └── index.html
└── README.md
- Chrome, Safari, Firefox, Edge
- HTTPS access (microphone APIs require secure context)
- A device with an active microphone
For collaboration or licensing inquiries:
info@dim.productions
© 2025 DIMProductions. You may use or modify this for personal or educational purposes.
Commercial redistribution requires permission.