Pure Frequency Tool

Shape a focused tone anywhere from 1 Hz to 20 kHz.

Use the dedicated hz tone page for precise waveform switching, fine-grain frequency control, and a shared visual field that reacts in real time.

Core Tool

Hz Tone Generator

Sweep from sub-bass through air frequencies with live waveform switching and a timer that lets the session fade on schedule.

432 Hz ยท sine

Session

Ready when you are

Off
Timer
Visualizer Mode

The frequency slider uses a logarithmic sweep so low and high tones both feel precise.

Waveform

Popular tone pages

Use curated search pages as instant presets

These pages target exact frequency searches and open the live tone generator with the matching value already loaded.