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Tone Generator

Generate sine, square, sawtooth, and triangle audio tones from 20 Hz to 20 kHz directly in your browser. Adjustable volume.

440 Hz

Waveform

Volume: 30%

Download as audio file

Duration: 5s

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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