Online Tone Generator

Precision Signal Generator for Audio Testing & Calibration

Start Frequency (Hz)
Hz
End Frequency (Hz)
Hz
Tone will slide from Start to End over the duration.
Wave Shape / Noise Type
Playback Mode
Tone Duration (Sec)
Gap Duration (Sec)
Fade In (Sec)
Fade Out (Sec)
Total Duration (Sec)
Master Output (%)
Stereo Pan (L <-> R)
Export Format
Tone Generated

Download File

What we do

Key Features

  • Precision Oscillator: Generate exact frequencies (1Hz - 20kHz) for scientific and audio testing.
  • Frequency Sweep: Create smooth pitch slides to test subwoofer crossover and range.
  • Noise Generator: Synthesize White, Pink, and Brown noise for masking or burn-in.
  • Stereo Imaging: Control Left/Right panning to test speaker balance and phase.
  • Waveform Options: Choose between Sine (Pure), Square, Sawtooth, and Triangle waves.
  • High Fidelity: Export uncompressed Stereo WAV files for professional use.

How do I use it?

It's simple: Step 1: Select "Signal Generator" for custom tones or "Reference Library" for presets. Step 2: Adjust the Frequency (Hz) and Duration. Step 3: Click "Generate Tone" to create the audio instantly.

How do I download?

Once the tone is generated, the preview player will appear. Listen to the result to verify the pitch, and then click the large Download File button to save it to your device.

Is this tool free?

Yes, this tool is 100% Free. You can generate unlimited test tones, sweeps, and noise files for your audio projects or equipment calibration without any cost.

What formats do I get?

You can choose between WAV (Stereo) for uncompressed, high-quality audio engineering, or MP3 (Stereo) for a smaller, shareable file format.

Privacy & Security

Your privacy is our priority. All audio signal processing happens Client-Side (in your browser) using the Web Audio API. No files are uploaded to our servers.