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DTMF Tone Generator
Standard telephone keypad tones — correct low/high frequency pairs.
Tap a key
How to use
Adjust settings
Use sliders and controls to set frequency, volume, and waveform. Changes apply in real time.
Export or share
ダウンロード a WAV file or copy a share link. All processing stays on your device.
Frequently asked questions
Are these correct DTMF frequencies?
Yes — per ITU-T Q.23 low/high groups.