开始 audio
Tap 播放 or press Space. Your browser requires a gesture before audio can play.
Sine Wave Generator
Pure sine waveform — one frequency, no added harmonics.
Signal
预览 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
下载 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 播放 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 下载 WAV for a 44.1 kHz, 16-bit mono file rendered locally.