Tone Generator

Produce pure sine, square, sawtooth, and triangle audio tones from 20 Hz to 20 kHz using the Web Audio API. Useful for hearing tests, speaker calibration, audio equipment testing, music tuning, and ear training.

Features

• Four waveform types
• Full audible-range frequency control (20–20000 Hz)
• Volume slider
• Smooth real-time parameter changes
• No file generation — direct audio output

Use cases

• Hearing range tests
• Speaker frequency response
• Audio equipment troubleshooting
• Reference pitches for instruments
• Tinnitus masking experiments