Morse Code Translator

Free Morse Code translator with support for many languages. Easily convert text to Morse code or Morse code to text.

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Morse characters

-	Dash
.	Dot
Space	Letter separator
/	Word separator
#	Untranslatable character

Morse Code Conversion Chart

Morse Code translation

Features

Morse code is a forms of communication named after Samuel Morse, one of the inventors of the telegraph. The Morse alphabet became a worldwide standard in 1865. It has been widely used in the maritime world until the end of the 20th century.
The Morse alphabet is designed so that the most frequent letters in the English alphabet has the shortest codes. This makes transmission much faster than if all letters would have equal length codes.
The International Morse Code includes the English letters, some extra Latin letters, the Arabic numerals and a small set of punctuation and procedural signals.
Letters are separated by a space of duration equal to three dots. Words are separated by a space equal to seven dots.
Morse code can be transmitted in many ways such as by electric signal, flashing light, vibration, etc.
There are also special Morse alphabets for other languages than English.

Morse code is frequently used in geocaching mystery caches (puzzle caches), CTFs and logic puzzles.

History

The development of the earliest telegraph systems started in the 19th century following the discovery of electromagnetism in 1820. Samuel Morse, together with Joseph Henry and Alfred Vail invented a simple telegraph system that used only electrical pulses and silence between them. Morse's original telegraph receiver used a clockwork and an electromagnet to mark the received pulses onto a paper tape. Operators could then translate the markings on the paper tape into text messages.

Alfred Vail estimated the frequency of letters in the English language and assigned the letters most commonly used the shorter Morse code sequences, while the more infrequent letters were assigned longer sequences. This code was first used in 1844 and was called Morse landline code, or American Morse code.

Morse operators soon learned that the telegraph was making sounds when receiving the code and that they could translate the sound instead of looking at the paper tape. They learned the sound patterns of the Morse code. This made the paper tape unnecessary. Later, Morse code was adapted to radio communications by transmitting the pulses as short and long tones.

A new and improved version of the Morse code alphabet was proposed by Friedrich Clemens Gerke in 1848, that was adopted by the German-Austrian Telegraph Society. This finally led to the International Morse Code standard (ITU) in 1865, that is still being used today.

Timing and speeds

Morse code can be transmitted in multiple ways such as sounds, a common flashlight, electrical pulses on a telegraph line, mechanical, etc. There are even examples of using morse code during mine rescues by pulling a rope. Historians have called morse code the first digital code.

International Morse code (ITU) consists of five elements:

Short mark, "dot" or "dit" (.), which is one time unit long
Long mark, "dash" or "dah" (-), which is three time units long
Within-character gap, between the dots and dashes within a morse character, which is one time unit long
Between-characters gap, which is three time units long
Between-words gap, which is seven time units long

These five elements can also be expressed as binary codes:

Short mark, "dot" or "dit" (.): 1
Long mark, "dash" or "dah" (-): 111
Within-character gap, between the dots and dashes within a morse character: 0
Between-characters gap: 000
Between-words gap: 0000000

Note that marks and gaps always alternate. There are never two marks in a row, or two gaps in a row.

Words per minute

Morse code speed is commonly measured in words per minute. This is not unproblematic, because words can have different lengths and the letter can have different dot lengths. Therefore typical words such as "PARIS" (which is 50 time units long) or "CODEX" (which is 60 time units long) are used to measure the speed. A more precise way to measure Morse code speed is therefore specifying the time unit length (dot duration).

Farnsworth speed

When learning Morse code, people often use something called Farnsworth speed (or Farnsworth timing) to make it easier to recognize the Morse code characters. Instead of slowing everything down, the individual characters are played at a normal speed, but the pauses (gaps) between them are made longer to give more time to understand them.