Audio Tone & Frequency Generator Studio
Free in-browser audio tone and sound frequency generator using the native Web Audio API. Synthesize pure sine, square, sawtooth, and triangle waveforms (1 Hz to 20 kHz) with real-time oscilloscope visualization. Includes Solfeggio healing frequencies (528 Hz, 432 Hz), A440 concert pitch tuning, subwoofer bass tests, stereo panning, white/pink noise, and sleep timer.
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How to Generate Audio Tones in 3 Steps
Choose Frequency or Preset
Select a frequency (20 Hz - 20 kHz) or click presets like 432 Hz, 528 Hz, or White Noise.
Pick Waveform & Adjust Volume
Select Sine, Square, Triangle, or Sawtooth and adjust volume and stereo pan.
Play & Watch Oscilloscope
Click Play to hear the continuous tone and observe the live audio waveform canvas.
Frequently Asked Questions
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