About MakeTonesOnline

Overview

MakeTonesOnline provides a collection of free, browser-based audio tools for testing, tuning, and sound generation. These tools are designed for audio engineers, musicians, educators, and anyone working with sound.

Features

• Browser-based - no downloads or installations required
• Fast and responsive interface
• High-quality audio using the Web Audio API
• Privacy-focused - no tracking or analytics
• Free to use
• Mobile and desktop compatible

The Toolbox

• Tone Generator - Generate precise audio frequencies with multiple waveforms
• Hearing Test - Check your audible frequency range
• DTMF Signals - Generate telecom signaling tones
• Bass Frequency Test - Test low-frequency response
• Binaural Beats - Create frequency-based audio experiences
• Multiple Tone Generator - Mix multiple frequencies simultaneously
• Sweep Tone Generator - Create frequency sweeps for acoustic analysis
• 432 Hz Tuning - Compare alternative tuning standards
• Solfeggio Frequencies - Experience traditional healing frequencies
• Noise Generator - Generate white, pink, and brown noise

Under the Hood

Built with a focus on audio quality and performance:

• Web Audio API for pristine sound generation
• Modern React and Next.js for a snappy experience
• Real-time analysis and visualization
• Responsive design that works everywhere

Privacy

All processing happens in your browser. No personal data is collected, no account is required, and no information leaves your device.