Frequency Gen

Generate tones from 1 Hz to 22 kHz. 4 waveforms, quick presets, favorites, and a live waveform view. Log slider and fine tuning in 1, 10, or 100 Hz steps.

Frequency Gen generates audio tones from 1 Hz to 22,000 Hz with 4 wave types: sine, square, triangle, and sawtooth.

Frequency controls

Logarithmic slider

Fine tuning +/- in 1 / 10 / 100 Hz steps

Quick presets: 40, 100, 440, 1000, 8000, 16000 Hz

Favorites: save up to 10 frequency + waveform combos

Waveform viewer

Real-time waveform (canvas), on/off

Settings

Volume control with a warning above 80%

Light/dark theme

Haptic feedback (on/off)

4 languages: EN, ES, CA, DE

Silent switch detection

Onboarding for new users

Built-in FAQ