I cannot hear anything.

Ensure your hardware isn't muted. Also note that standard laptop speakers often cannot reproduce frequencies below 80Hz.

Potentially. Pure tones can be quite intense. Start at 10% volume, especially when using headphones.

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frequency-generator,

Frequency Generator

Generate pure tones from 20Hz to 20kHz directly in your browser.

✨

Perfect Pitch

Pure Web Audio API synthesis

⚡

Full Spectrum

Covers entire human hearing limit

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Wave Shapes

Sine, Square, Sawtooth, Triangle

Frequency (Hz)

20100050001000020000

Waveform

Volume

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about,

About Tone Generator

A client-side audio oscillator tool utilizing the Web Audio API to construct mathematically pure waveforms instantly. Whether you want to test the low-end capabilities of a subwoofer or find out what "mosquito sound" frequencies you can still hear, this tool covers it natively.

how to use,

How to

STEP 1

Set Frequency

Set the frequency in Hz using the slider or type a value directly.

STEP 2

Configure Audio

Select your preferred oscillator waveform. Keep the volume relatively low to avoid hardware damage.

STEP 3

Play

Press PLAY. You can adjust the frequency slider while the tone is playing without any audio glitches.

glossary,

Glossary

Frequency (Hertz): The number of complete audio waves hitting your ear per second. Higher values mean higher pitch.
Hearing Limits: Average human hearing spans from 20Hz (ultra low bass) to 20,000Hz (piercing high pitch).
Mosquito Tone: A sound played at ultra-high frequencies (above 15kHz) which older individuals frequently lose the ability to detect.

faq,

FAQ

Q.I cannot hear anything.: Ensure your hardware isn't muted. Also note that standard laptop speakers often cannot reproduce frequencies below 80Hz.
Q.Is it dangerous?: Potentially. Pure tones can be quite intense. Start at 10% volume, especially when using headphones.

use cases,