SignalKey

Write a message, hear the dots and dashes, download a WAV. Or drop in Morse audio and read it back as text — all in the browser.

Scroll to the key →

Transmit

Text → Morse audio

Type your message, tune speed and pitch, then play or download a WAV you can host or share.

Speed 20 WPM
Tone 600 Hz

Morse preview

Morse preview appears here…

Letters separated by spaces · words by / · International Morse

Receive

Audio → text

Upload a clear Morse tone recording (WAV or MP3 works best). The app measures mark and space lengths and translates them.

Drop Morse audio here or click to browse · WAV, MP3, OGG, M4A

No file selected

Detected Morse

Decoded text