RootUtils

Tone Generator

Client-Side Secure

Generate quick test tones in your browser. Sine, square, and pink noise waveforms with adjustable frequency and level.

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Ready
Quick signal checks

Use sine for tuning and distortion checks, square for duty-cycle or click detection, and pink noise for spectral balance across your speakers or headphones.

Suggested tests

  • 440 Hz sine: basic tuning reference.
  • 1 kHz sine: check level meters and clipping.
  • Pink noise: balance speakers and isolate room resonances.

Is this tool broken?

Let us know if you found a bug or have a feature request.

Online Tone Generator

Generate quick reference tones in your browser using the Web Audio API. Switch between sine, square, and pink noise for calibration, testing, or focus noise—no downloads required.

Quick start

  • Pick a waveform (sine, square, or pink noise).
  • Set frequency, duration, and level.
  • Hit Play to emit the tone instantly.
  • Use presets like 440 Hz or 1 kHz for fast checks.

Use cases

  • Tune instruments or align meters (440 Hz / 1 kHz).
  • Check speaker balance with pink noise.
  • Verify headphones for clicks or distortion with square waves.

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