heugt.net
Tone Generator
Hz
Sine
Square
Saw
Triangle
30%
sec
WAV
Tone generator.
Choose sine, square, sawtooth, or triangle waves at any frequency from 1Hz to 20000Hz. Download produces a 16-bit PCM WAV file at 44100Hz sample rate. Duration can be specified in 0.1-second increments (max 3600s).