EasyFilesConverter

Tone generator

Play a pure tone at any frequency from 20 Hz to 20 kHz - sine, square, triangle or sawtooth - for testing speakers, hearing and tuning.

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Free · No sign-up · Your files are processed on your device and never uploaded

How to use Tone generator

  1. Open the page…
    1

    Paste or type

    Put your content in the box - or try the example.

  2. Play a tone
    2

    Watch the result

    Pick the options you want - the defaults suit most files.

  3. TXTYour result
    3

    Download the result

    Ready in seconds. Your file never left your device.

Features

  • 20 Hz - 20 kHz with fine steps.
  • Four wave shapes.
  • Shows the nearest musical note.

Free and private

It runs entirely in your browser - nothing is recorded, uploaded or stored on a server.

Questions

Is it safe for my ears?

Start with low volume; high frequencies at high volume can be harmful.

Is it free?

Yes - free and unlimited, with no sign-up and no watermark.

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