How to Translate Text to Morse Code
I built this translator because Morse code is one of the most elegant communication systems ever devised — a binary encoding of the entire alphabet using just two symbols. Invented by Samuel Morse and Alfred Vail in the 1830s, it powered the first telegraph networks and saved countless lives at sea before radio voice communication became widespread.
The system is cleverly optimised: the most common letters in English get the shortest codes, minimising transmission time. This is the same principle used in modern data compression algorithms like Huffman coding.
- E (most common letter):
·— just one dot - T (second most common):
−— just one dash - A:
· − - SOS (international distress):
· · · − − − · · · - Dash duration: three times the length of a dot
Use this translator to encode secret messages, learn the alphabet, explore radio history, or decode messages you encounter in puzzles and escape rooms.
Where Is Morse Code Still Used Today?
Morse code is far from obsolete. Amateur (ham) radio operators still use it, and many countries require it for certain radio licences. It appears in popular culture from spy films to the TV series Stranger Things. Soldiers and pilots have used it for covert signalling, and it remains one of the few communication methods that can be transmitted with almost no equipment — a flashlight, a tap on a pipe, or even a blink of the eyes.
- Average sending speed: beginners manage 5 WPM; experienced operators reach 20–30 WPM
- World record sending speed: over 75 WPM using a mechanical keyer
- Standard timing unit: one dot = one unit; dash = 3 units; gap between letters = 3 units; gap between words = 7 units
Frequently Asked Questions
How do I read Morse code if I hear it?
Listen for the rhythm. Short sounds are dots, long sounds are dashes. Pauses between sounds within a letter are short; pauses between letters are longer; pauses between words are the longest. With practice, experienced operators decode Morse code directly into words without conscious letter-by-letter translation — the same way fluent speakers hear words rather than individual phonemes.
Is Morse code the same in every language?
International Morse code (ITU) covers the Latin alphabet, digits 0–9, and common punctuation. Extensions exist for other alphabets — Japanese has Wabun code, Russian has its own variant, and Arabic Morse code uses additional symbols. The basic Latin alphabet codes are standardised worldwide, so a German operator and an American operator can communicate without issue.
Why does SOS not stand for anything?
SOS was chosen in 1908 purely because its Morse code (· · · − − − · · ·) is unmistakable, simple to send under stress, and cannot be confused with other signals. "Save Our Souls" and "Save Our Ship" are backronyms invented later. The original choice was purely about the transmission pattern.