Start audio
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Square Wave Generator
Square waveform with characteristic bright, buzzy harmonics.
Signal
Preview 2 seconds, then save a 44.1 kHz WAV file.
Space play/stop · ↑↓ frequency · Shift fine · P presets · ? shortcuts
How to use
Adjust settings
Use sliders and controls to set frequency, volume, and waveform. Changes apply in real time.
Export or share
Download a WAV file or copy a share link. All processing stays on your device.
Frequently asked questions
How do I generate a tone online?
Tap Play to unlock audio, set your frequency, choose a waveform if available, and listen instantly.
What frequency range is supported?
This tool generates tones from 20 Hz to 20000 Hz in your browser.
Can I download the tone as WAV?
Yes — use Download WAV for a 44.1 kHz, 16-bit mono file rendered locally.