Morse Code Translator & Decoder

This free Morse code translator converts text to Morse code and decodes Morse back to text, with audio playback and a full Morse code alphabet chart. Use it to translate Morse code, as a Morse code decoder or a Morse code converter — a two-way translator that also answers what is Morse code. International and Turkish characters are supported.

What Is Morse Code?

Morse code is an encoding system that represents letters, numbers and punctuation with combinations of dots (.) and dashes (-). The ratio between the short signal (dot) and the long signal (dash) is 1:3 — a dash equals exactly the duration of three dots. The space between letters corresponds to one dot and the space between words to seven dots. This mathematical relationship lets the signal be transmitted both audibly and visually across very different media.

Historically, it is considered one of the first digital communication protocols, because encoding information using only two different symbols (dot and dash) is a precursor of the modern binary system.

Who Invented Morse Code?

The answer to who invented Morse code is given with two names: the American painter and inventor Samuel Finley Breese Morse and the technician Alfred Vail. Morse began working on the idea of an electromagnetic telegraph in the early 1830s. Vail joined the project in 1837 and largely shaped the practical part of the coding system.

The first official telegraph message was sent on May 24, 1844 from Washington D.C. to Baltimore. The content of the message was the biblical phrase "What hath God wrought?". From then on, Morse code was used as the standard means of communication in maritime, railway, military communication and early radio broadcasting for about a century.

Today, Morse code is actively kept alive in amateur radio (ham radio) communities and continues to be used in emergency communication and in many educational applications.

Morse Code Alphabet Chart

Below you can review the full Morse code alphabet chart for letters and numbers:

What Is Morse Code and How Does It Work?

Morse code transmits information with two different signal types: the short signal (dot, dit) and the long signal (dash, dah). These signals can be sent as a tone, a flashing light, an electrical pulse or a radio wave. The basic working logic is:

• Dot (.) duration: the base time unit (1 unit)
• Dash (-) duration: 3 units (three dot lengths)
• Gap between signals: 1 unit (between symbols within the same letter)
• Gap between letters: 3 units
• Gap between words: 7 units

Keeping these ratios is critical for Morse code to be transmitted and decoded correctly. As speed increases the ratios shrink, but their relationships to one another stay constant.

How to Translate Morse Code with the Decoder

To translate Morse code in either direction, the Morse code decoder in this tool works both ways:

1. Text → Morse: enter your text and click "Convert to Morse". The dot-dash combination for each letter is shown instantly.
2. Morse → Text: enter the Morse code, separating letters with a single space and words with a /. Click "Convert to Text" to get the original text.

The tool runs entirely in your browser; the text or Morse code you enter is never sent to a server.

Historical Importance and Uses of Morse Code

Morse code has been used in many critical fields throughout history:

• Maritime: it was used as the standard system for international maritime emergency communication until 1999.
• Military communication: critical messages were sent in Morse code during both World Wars and the Cold War.
• Aviation: in radio direction-finding systems (NDB), station identifiers are still broadcast in Morse code.
• Amateur radio: Morse code (CW — Continuous Wave) is still actively used in ham radio communities.
• Communication for people with disabilities: special assistive-technology devices have been developed for people who can produce Morse code with an eye blink or a single finger movement.
• Education and hobbies: it is ideal for teaching coding logic, exercising memory or playing secret-message games.

Why Is SOS Written in Morse Code?

The universal distress signal SOS (... --- ...) is not a word abbreviation but simply an easily recognizable Morse sequence. Set at the 1906 International Radiotelegraph Convention, with its rhythmic structure of three dots, three dashes and three dots, it can be quickly recognized by both experienced and inexperienced operators. The SOS signal was first sent from a stricken ship in 1909 and gained worldwide fame in the 1912 Titanic disaster.

The Difference Between International Morse Code and American Morse Code

Historically there are two different Morse code systems:

• American Morse Code (American Landline Morse): Samuel Morse's original version; it includes internal spaces for some letters and uses different signal lengths. It is almost never used today.
• International Morse Code (ITU Morse): the version reorganized by Friedrich Gerke in 1865 and standardized by the International Telecommunication Union (ITU). It consists only of dots and dashes, with no internal spaces. This is the standard used worldwide today.

This tool implements the International Morse Code (ITU) standard.

Tips for Learning Morse Code

The most effective way to memorize Morse code is to study by ear, not by sight. Instead of memorizing the codes as dots and dashes, recognizing the rhythm of each letter in sound leads to much faster learning. Common methods include:

1. Koch Method: start with just 2 letters (K and M), and add a new letter once you recognize both fluently. Learn the whole alphabet gradually this way.
2. Farnsworth Method: send the characters at high speed but keep the gaps between characters long. This speeds up adaptation to the real tempo.
3. Morse code music: the "dit-dah" rhythm of each letter is learned like a melody. For example, V (...-) is associated with the opening theme of Beethoven's 5th Symphony.
4. Flashcard exercise: increase your practice by converting random texts to Morse code and decoding them with this tool.

Morse Code 2026 — Online Translator and Decoder

Enter a text or Morse code into this Morse code translator; get the equivalent instantly and copy or share the result. For Morse code translation, use the "Text → Morse" tab; to use it as a Morse code decoder, choose the "Morse → Text" tab. A step-by-step visual guide and audio playback are also available for anyone who wants to learn Morse code. In the FAQ section you can find more information about Morse code.