Test Tone Generator

Generate pure sine wave test tones – ideal for speaker testing, audio calibration, and equipment checks

Create test tones – no file needed

Test Tone Parameters

Standard test frequencies:
1000 Hz
5.0 s
0.70
50 ms
50 ms

How to generate test tones:

  1. Select a standard test frequency from the presets or enter any frequency (20 Hz – 20 kHz)
  2. Choose waveform (sine is standard for testing, square/sawtooth for harmonic checks)
  3. Adjust duration, volume, fade in/out to prevent clicks
  4. Click "Preview Test Tone" to hear it in real‑time (Web Audio)
  5. Choose output format (MP3 recommended) and bitrate in the settings panel
  6. Click "Generate & Export" to create a downloadable file
  7. Use the test tone for speaker calibration, frequency response testing, or audio equipment diagnosis

All synthesis happens in your browser – files never leave your device.