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Frequency Sweep Generator
Sine sweep (e.g. 20 Hz → 20 kHz) as WAV – test speakers, headphones and room resonances.
10 s
Duration
20 → 20,000 Hz
Range
Runs entirely in your browser. Nothing is sent anywhere.
How it works
- 1Set the options.
- 2Click the button to generate.
- 3Copy or download the result.
About this tool
Frequency Sweep Generator: Sine sweep (e.g. 20 Hz → 20 kHz) as WAV – test speakers, headphones and room resonances. Pick your options and generate as many results as you like — free, instant and created locally in your browser.
Example
| Input | |
|---|---|
| Start frequency (Hz) | 20 |
| End frequency (Hz) | 20,000 |
| Duration (s) | 10 |
| Logarithmic (equal time per octave) | Yes |
| Level (dBFS) | -6 |
| Result | |
| Duration | 10 s |
| Range | 20 → 20,000 Hz |
How do I use the Frequency Sweep Generator?
Set the options. Click the button to generate. Copy or download the result.
Is the Frequency Sweep Generator free?
Yes. It is completely free with no sign-up, no usage limits and no watermark.
Is my data sent to a server?
No. Everything is calculated locally in your browser. Nothing you enter is uploaded, logged or stored.
Does it work on my phone?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux — no app needed.