Frequency Gen

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