Please rotate back to portrait mode.


Click the buttons below to turn the settings off and on.

Sound Speech Hints Visual Hints Reset Progress Tracking Consent

We created this trainer to make learning Morse code more fun. Give it a try using the on screen buttons or input device of your choice.

This experiment was originally developed by Google to support Morse code for accessible communication. Learn More at

Built by Tania Finlayson, Use All Five, Google Creative Lab and AceCentre

The Ace Centre and Google logos

Keyboard Controls

Dot Keys

Dash Keys