Tuulo

Tone generator

To tune instruments, test speakers and headphones or see how high you can hear.

Everything happens in your browser: your files are never uploaded to a server.

Start with the volume low, especially with headphones.

How to use it

  1. Pick the frequency.
  2. Pick the waveform and volume.
  3. Press play.

FAQ

Should I mind the volume?

Yes: start low, especially with headphones and high frequencies.

More tools