Is this tool free to use?

Yes. Every public Alexonic tool is completely free to use with no charge.

Do I need an account?

No account is required for public tools. Some private/admin features may be separate from the public site.

Can I use this tool for work?

Yes, but verify important results before using them in production, payroll, finance, tax, or business decisions.

Do you save my tool data?

No. We do not save your tool inputs or generated results. We value customer privacy, but you should still avoid entering sensitive personal, banking, password, customer, or confidential business data into public web tools.

How can I report an issue or request a tool?

Send feedback to the developer if you see an issue, need a new tool, or require an update. We continue building and fixing each day.

Tone Generator

Generate a pure tone at any frequency

Set any frequency from 20 Hz to 20,000 Hz. Useful for hearing tests, speaker testing, music tuning, and ear training.

20 Hz – 20 kHzHearing testNote detectionStereo pan

Frequency (Hz)

440Hz

Closest noteA4

Cents off0¢

Controls

Hearing range is roughly 20 Hz – 20,000 Hz. Most adults cannot hear above 15,000 Hz.

Frequency (Hz)

20 Hz (sub-bass)1 kHz (speech)20 kHz (ultrasonic)

Waveform

Volume40%

Stereo panBoth

◄ LeftBothRight ►

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Help & answers

Frequently Asked Questions

Important disclaimer: Alexonic Tools is completely free to use. There is no charge, and we do not save tool inputs or generated results. We value customer privacy and keep building and fixing each day. Always verify important financial, payroll, legal, tax, business, or production-code results before relying on them. If you see an issue, need a tool, or require an update, send feedback to the developer.