Morse Code Audio Trainer

A free, multi-language app to Learn Morse code by ear — translate, hear tones, practice & key your own, offline.

This app allows you to Master Morse code the proven way — by listening. Morse Code Audio Trainer turns text into authentic CW tones with a synchronized signal lamp, so you can read, hear, and feel every dit and dah.


- Translate instantly between text and Morse, with crisp tone playback
- Listen-and-type drills for letters, numbers, and mixed code groups
- Koch Method training that adds a new character only when you’re ready
- Real-word and ham-callsign decoding practice
- Straight-key trainer that listens to your timing and grades your sending
- Tappable reference chart for the full alphabet, numbers, punctuation & prosigns
- Adjustable character speed, Farnsworth spacing, tone pitch and volume
- Flash messages with your camera light, export clean WAV audio, dark mode


This is the friendliest way to actually learn Morse — not just look it up.