Free Tone Generator — Generate Sine, Square & Sawtooth Waves
Generate pure tones in sine, square, sawtooth, or triangle waveforms from 1 Hz to 20,000 Hz. Ideal for audio testing and instrument tuning.
How It Works
Select a waveform, set the frequency, adjust the volume, and click Play. Each waveform has a distinct harmonic profile: sine is pure, square is rich in odd harmonics.
Tips for Best Results
- 1. Sine waves produce the purest tone — only one frequency component.
- 2. Square waves sound bright and buzzy — great for chiptune music.
- 3. Use the volume control to avoid hearing damage at high frequencies.
- 4. Preset musical notes (A440, C523) are available for instrument tuning.
Completely client-side: all processing runs in your browser without any data uploads.