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Press 再生 or hit Space to unlock audio. Browsers require a gesture before sound can start.
Signal
人気 tools
Interactive Tone Generator Your main hub — slide to any Hz and play instantly in the browser. Core Generators White Noise Generator Flat-spectrum noise for focus, sleep, and audio testing. Noise & Wellness Speaker Test Verify left, right, and stereo output with guided test tones. Speaker, Mic & Hearing Guitar Tuner Chromatic tuner with cents readout — microphone activates when you start. Music & Tuning Hearing Test Informal per-ear screening — results are approximate, not clinical. Speaker, Mic & Hearing Pink Noise Generator −3 dB/octave noise for calibration and natural-sounding masking. Noise & Wellness 440 Hz Tone Standard concert pitch reference tone at A4 (440 Hz). Fixed 周波数 Test Tone ダウンロード Export reference tones as WAV files without playing them live first. Core Generators
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How it works
Set your frequency
Drag the slider or type a value from 20 Hz to 20 kHz. Choose sine, square, sawtooth, or triangle.
Export or share
ダウンロード a WAV file or copy a link with your settings. Nothing is uploaded to any server.