TONE GENERATOR

Tone & Noise Generator

Generate test tones from 20 Hz to 20000 Hz or white/pink/brown noise, with multiple waveforms and a live waveform display.

Adjust frequency, volume and waveform, then click Play. Audio is generated locally in your browser.
Settings
Hz
20%
Waveform
Noise
Export Duration
Sample RateHz

Sample rate 44100 Hz, mono. MP3 at 320 kbps is compact; 16-bit WAV is lossless for professional testing.

Waveform PreviewPeriod 2.27 ms

Common Test Files

Sine · 0 dBFS · 10s · 44100 Hz

  • 1 kHz 0 dB WAV Test File

    For basic frequency response testing, widely used for mid-range calibration of speakers, headphones and other audio devices.

  • 10 kHz 0 dB WAV Test File

    Focused on the treble range, helping evaluate how a device performs at high frequencies.

  • 20 Hz 0 dB WAV Test File

    Precise bass testing, suitable for checking the response of woofers or full systems.

Local GenerationPowered by the Web Audio API, with MP3 / WAV export
Live AdjustmentChanges apply instantly during playback
Protect Your HearingHigh frequencies, square waves and white noise can be harsh; start with a low volume

How to Generate and Export Audio

Choose a waveform and frequency, or select white, pink or brown noise. Start at a low volume and click Play. To export, choose the duration and sample rate, then download an MP3 or WAV file.

What Is the Difference Between White, Pink and Brown Noise?

White noise has equal power per hertz and sounds brighter. Pink noise has equal power per octave, with softer highs. Brown noise emphasizes lower frequencies for a deeper sound. Noise contains many frequencies and does not use the single-tone frequency setting.