About Morse Code ↔ Text

Convert text to Morse code and back with audio playback and speed control. Part of the DevTools Surf developer suite. Browse more tools in the Fun / Niche collection.

Use Cases

• Encode secret messages for escape rooms or puzzles
• Learn Morse code patterns for amateur radio certification
• Add Morse Easter eggs to apps or websites
• Decode historical telegraph transcripts for research

Tips

• Use the audio playback to hear the dot-dash pattern
• Toggle between International and American Morse variants
• Copy the encoded output for embedding in designs or games

Fun Facts

• Samuel Morse sent the first telegraph message 'What hath God wrought' on May 24, 1844, between Washington D.C. and Baltimore.
• The distress signal SOS (··· --- ···) was adopted internationally in 1906, chosen not as an acronym but because it is easy to transmit and recognize.
• Morse code is still used by amateur radio operators today, and the US Navy only stopped requiring Morse proficiency in 1999.

FAQ

Does it produce audio?

Yes — toggle the playback mode to hear the dits and dahs at configurable WPM. Useful for learning actual Morse code for radio.

ITU Morse or American Morse?

ITU (international) by default. American Morse is used only by rail telegraphers today — toggle if that's your use case.

What about prosigns and punctuation?

Full ITU set including prosigns (SOS, CT, AR) and common punctuation (. , ? / -).

How fast should I play it?

15-20 WPM for beginners, 25+ for amateur radio operators. The tool lets you set WPM; the Farnsworth timing option makes spacing slower while characters stay fast.