Online Tone Generator
Generate test tones from 20 Hz to 20 kHz with sine, square, sawtooth or triangle waves, plus white and pink noise. Download as WAV.
Your files are processed locally and never uploaded
How to use
1
Choose a waveform and frequency.
2
Press Play.
3
Download the tone if you need a file.
About this tool
Tones are generated by the Web Audio oscillator with sample accuracy.
All processing happens locally in your browser, ensuring complete privacy for your recordings and music.
Frequently asked questions
Is it free?
Yes. Every AudioCharger tool is free, with no sign-up, no watermark and no file limits beyond your device's memory.