🇬🇧 English | 🇧🇷 Português

fortuna

Straightforward open-source drone tuner.

Try it out live!

• Easy to use
• Customisable
• Responsive
• Keyboard-friendly
• Includes a quick how-to-use guide
• Saves your preferences locally
• Internationalisation: available in English, Portuguese

Options

• Single-voice and two-voice mode
• Note labels (none, C-B, Do-Si, Do-Ti)
• 7 available octaves
• Tuning standards: A440, A432, A441…
• Tuning systems: 12 Equal Temperament, Just Intonation
• Transposition
• Themes: light, dark, midnight

Credits

• Wikipedia for information on Tuning Standards and Tuning Systems
• Google's Material Symbols for the SVG icons
• Google Fonts for the Roboto font
• MicroModal for the modals