Online Tone Generator

Generate audio tones with adjustable frequency, waveform, and volume.

440Hz
20 Hz - 20,000 Hz
Hz
50%
~Sine
_|Square
/\Triangle
/|Sawtooth

Note Presets

C4 (261.6)
D4 (293.7)
E4 (329.6)
F4 (349.2)
G4 (392.0)
A4 (440.0)
B4 (493.9)
C5 (523.3)