Start audio
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Tone Generator
Generate precise sine, square, sawtooth, and triangle tones from 20 Hz to 20 kHz.
Signal
Preview 2 seconds, then save a 44.1 kHz WAV file.
Space play/stop · ↑↓ frequency · Shift fine · P presets · ? shortcuts
What this tool does
This tone generator creates a continuous audio signal at any frequency you choose. Use it to test speakers, tune instruments, calibrate equipment, or explore how different waveforms sound at various pitches.
Who uses it
Musicians check tuning against reference tones. Audio engineers verify speaker response. Students explore wave physics. Anyone with tinnitus or hearing concerns can preview safe test frequencies before a clinical visit.
How to use it
Tap Play to unlock audio, drag the frequency slider or type a value, pick a waveform, and listen. Export a WAV file for offline use. Share your settings via the link button — frequency and waveform are encoded in the URL.
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.