Text to Morse Code
Convert text to Morse code and Morse code back to text. Play audio beeps for the Morse code signal.
About this calculator
Encode text to Morse code or decode Morse code to text, with a Play Audio button that beeps the signal. Letters are separated by spaces and words by slashes.
A good tool for puzzles, escape rooms, scouting and learning the basics.
How to use it
- Type text and press → Encode to Morse.
- Or paste Morse and press ← Decode from Morse.
- Press 🔊 Play Audio to hear it.
Rules
Morse code represents letters and digits with short signals (dots) and long signals (dashes). A dash lasts three dots; the gap between letters is three dot-lengths and the gap between words is seven. The tool shows letters separated by a space and words separated by a slash. The distress signal SOS is ... --- .... Speed is set in words per minute, with the word PARIS (50 units) as the standard.
Worked example
Examples
| SOS | ... --- ... |
| Hello World | .... . .-.. .-.. --- / .-- --- .-. .-.. -.. |
| A | ·− |
| E | · |
| T | − |
Tips and common mistakes
- Separate letters with a space and words with a slash (/).
- Use dots, dashes (hyphens), spaces and slashes only.
- E (one dot) and T (one dash) are the shortest letters because they are the most common in English.
- Practise listening, not reading, to learn Morse for real use.
- International Morse is used here; it differs slightly from the American Morse of the telegraph.
Frequently asked questions
What is Morse code?
A code that represents letters, digits and punctuation with dots and dashes.
What is SOS in Morse?
... --- ...
Who invented it?
Samuel Morse and Alfred Vail in the 1830s and 1840s.
How are words separated?
By a slash here, and by a longer pause in sound.
Can I hear it?
Yes, use the Play Audio button.
Is it still used?
Yes, in aviation navigation aids, amateur radio and accessibility devices.