ThinkVault ToolsTone Generator

Creative & Digital

Tone Generator

Frequency 20–20,000 Hz, duration 0.1–10 seconds. Choose sine, triangle or square. Lower device volume first. Hardware may not reproduce all frequencies; this is not a hearing test.

Waveform

Input, winners and scores stay in page memory. Reload clears them; sharing excludes them.

Results

Share link

Stopped

Method and common questions

Method and scope

Frequency 20–20,000 Hz, duration 0.1–10 seconds. Choose sine, triangle or square. Lower device volume first. Hardware may not reproduce all frequencies; this is not a hearing test.

Limits

Input, winners and scores stay in page memory. Reload clears them; sharing excludes them.

No. Review the method and limits. Device timing, dictionary or random sampling is not external certification.

Method

Frequency 20–20,000 Hz, duration 0.1–10 seconds. Choose sine, triangle or square. Lower device volume first. Hardware may not reproduce all frequencies; this is not a hearing test.

Last checked: 2026-10-26

Web Audio API

FAQ

Is this a certified assessment?
No. Review the method and limits. Device timing, dictionary or random sampling is not external certification.
Is text sent or saved?
Input, winners and scores stay in page memory. Reload clears them; sharing excludes them.
Tool options

Add to your home screen

Add to your home screen to open the tools in a standalone window.

Scan the QR code on your phone, open the site and add it to your home screen.

Generating QR code…

https://hkdatalab.com/en

Desktop/Android: if no install button appears, use Install app or Add to Home Screen in your browser menu. Availability depends on the browser.

Some cached pages may reopen offline, but not all pages will work. New pages, updated rates and quotes need a connection.