Text Input
Morse Code Output
Morse Code Reference Chart
What Is Morse Code?
Morse code is a method of encoding text as sequences of short and long signals β dots (dits) and dashes (dahs). Developed in the 1830s and 1840s by Samuel Morse and Alfred Vail for the electric telegraph, it became the world's first widely used system of instant long-distance communication. The international version standardized in 1865 is still recognized today, and the distress signal SOS (Β·Β·Β· βββ Β·Β·Β·) remains one of the most famous messages ever devised.
How to Read Morse Code
Each letter or digit is a unique pattern of dots and dashes. A dash lasts three times as long as a dot. Within a letter, elements are separated by one dot-length of silence; letters within a word are separated by three dot-lengths; and words are separated by seven. In written form, letters are separated by a single space and words by a forward slash β exactly the format this translator uses. The most common letters got the shortest codes: E is a single dot and T a single dash, which makes skilled operators remarkably fast.
Why Learn Morse Code Today?
Although commercial telegraphy has faded, Morse code lives on among amateur (ham) radio operators, in aviation navigation beacons, in accessibility devices for people with limited mobility, and as a fun skill for puzzles and emergencies. Because it can be sent with light, sound, taps, or blinks, it works when almost nothing else does. Use the Play button above to hear any message as authentic-sounding beeps and train your ear β everything runs locally in your browser, completely free and private.