Tone Generator
Generate tones at any frequency
🔒 Files never leave your browser
20 Hz100020000 Hz
How to Use Tone Generator
Set frequency
Enter frequency in Hz (20-20000).
Choose waveform
Select sine, square, sawtooth, or triangle.
Play
Click play to hear the tone.
Why Choose AllTools Tone Generator?
- ✓ 20-20000 Hz range
- ✓ 4 waveform types
- ✓ Volume control
- ✓ Frequency display
- ✓ Real-time audio
- ✓ No data stored
Why Use This Tool
- ★ Audio processing happens entirely in your browser
- ★ Completely free with no usage limits
- ★ No account or registration required
- ★ Works with your device microphone and speakers
- ★ Works on any device with a modern browser
Related Resources
Frequently Asked Questions
What is A440? ▼
A440 (440 Hz) is the standard tuning reference. It is the A above middle C on a piano.
What waveforms are available? ▼
Sine (pure tone), square (buzzy), sawtooth (bright), and triangle (soft). Each has a distinct harmonic character.
Does this work on mobile? ▼
Yes. All AllTools tools are fully responsive and work on phones and tablets.
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