Morse Code Translator

Convert text to Morse code or decode Morse code back to text. Supports all English letters, digits, and common punctuation. Converts automatically as you type

Text

0 chars

Morse Code

0 signals Light

Frequently Asked Questions

Morse code is a method of encoding text characters as sequences of dots (short signals) and dashes (long signals). Developed by Samuel Morse and Alfred Vail in the 1830s for the telegraph, it remains in use in amateur radio (HAM radio) and some emergency communications.

In written Morse code, letters within a word are separated by a single space, and words are separated by a forward slash ( / ) or a longer pause (equivalent to 7 dot-lengths in audio). This tool uses the / convention.

This tool supports the International Morse Code (ITU) standard: all 26 English letters (A–Z), digits 0–9, and common punctuation including period, comma, question mark, apostrophe, slash, dash, parentheses, colon, semicolon, equals sign, plus, and at sign.

Morse code was developed in the 1830s by Samuel Morse and Alfred Vail for use with the electric telegraph. The first telegraph message using Morse code was sent by Samuel Morse on May 24, 1844: "What hath God wrought." It became the global standard for maritime and long-distance radio communication throughout the 19th and 20th centuries, and remains the foundation of modern telecommunications history.

SOS is encoded as ··· −−− ··· (three dots, three dashes, three dots). It was adopted as the international distress signal in 1908 because it is simple to send and unmistakable. Contrary to popular belief, SOS does not officially stand for "Save Our Souls" or "Save Our Ship" — it was chosen purely because the pattern is easy to transmit and recognize under stress.

The most effective method is the Koch method: learn two characters at a time at full speed, adding more only when you can decode the current set with 90% accuracy. Many learners also use the mnemonic word association method — for example, "A" (·−) sounds like "a-GAIN" (short-long). Mobile apps like Morse Mania and online trainers like LCWO.net are popular practice tools. Dedicated practice with audio is essential — reading dots and dashes visually is much slower than hearing them.

International Morse Code (ITU standard) uses only dots and dashes with uniform timing. American Morse Code (the original Morse system) used dots, dashes, and additional timing variations — including a "long dash" that is longer than a standard dash, and internal spaces within letters. American Morse was used on land telegraph lines; International Morse replaced it globally and is the only version used today in amateur radio.

Morse code speed is measured in words per minute (WPM), using the standard word "PARIS" (which takes a defined number of dot lengths to send) as the reference unit. A beginner typically operates at 5–10 WPM. Amateur radio (HAM) licensing in many countries requires 5 WPM. Experienced operators can reach 25–35 WPM, and competition-level operators exceed 60 WPM.

Yes. Morse code is still actively used in amateur (HAM) radio, where it provides reliable communication at very low power levels. It is also used in aviation navigation beacons (VOR and NDB stations broadcast their identifier in Morse). It has emerged as an assistive technology — Google's Gboard and Apple's Accessibility features include Morse code input. Military special operations forces also retain Morse code training.

The NATO phonetic alphabet (Alpha, Bravo, Charlie…) uses words to represent letters in voice communication, preventing confusion between similar-sounding letters like B and D. Morse code encodes letters as electrical signal patterns (dots and dashes) for transmission over radio or telegraph. They solve different problems: the phonetic alphabet aids spoken clarity; Morse code enables signal transmission without voice. Both are used in aviation and military communication, often together.

About This Morse Code Translator

This free Morse code translator converts plain text to International Morse Code and decodes Morse Code back to text. Dots and dashes are separated by spaces; letters are separated by slashes. The ITU-standardised character set (Recommendation M.1677-1) is used.

Morse code is still used in aviation (navigation beacons), amateur radio, and assistive technology. Each character is represented by a unique sequence of short signals (dots) and long signals (dashes).

When to use this tool

Learning Morse code by encoding and decoding practice messages
Decoding a Morse message from an audio or visual signal
Converting call signs and short messages for amateur radio
Educational use in cryptography or communications courses

Standards & References

How It Works

Type Text or Morse

Enter text on the left to encode it, or type Morse code on the right to decode it. Both sides convert automatically as you type.

ITU Morse Lookup

Each character is looked up in a built-in ITU Morse code table. Encoding converts char by char; decoding splits on spaces and / word separators.

Play, Copy or Download

Hit Play to hear the Morse code as audio beeps, toggle the light flash, copy the result, or download the audio as an MP3 file.

Common Use Cases

Amateur (HAM) Radio

Practice encoding and decoding CW (Continuous Wave) messages for amateur radio licensing exams or on-air contacts where Morse is still actively used.

Escape Room Puzzles

Create or solve Morse code clues for escape rooms, scavenger hunts, and puzzle games. Encode a secret message for your next design challenge.

Education & History

Teach students about telecommunication history with hands-on encoding. Decode historical telegraph messages reproduced in Morse notation.

Secret Messages

Send a lightly obfuscated message to someone who knows Morse. Not secure encryption, but a fun way to share notes that casual readers won't recognize.

Accessibility Research

Explore Morse code as an alternative input method for users with limited mobility, where two-switch devices can reliably input any character.

Film & Creative Projects

Encode props, sound effects, or visual elements in Morse for films, music videos, or art installations to add an authentic telegraphic feel.

Related Text Tools

ROT13 Encoder

Char Frequency Counter

Text Reverser

Hash Generator

View all articles

Morse Code Timing: Why "Faster" Means Rescaling Five Different Things at Once

A Morse code message can be sent anywhere from 5 to 40+ words per minute — but unlike typing speed, "faster" doesn't mean "the same dots and dashes, sooner." Every timing element (dot, dash, and three different gap types) is defined as a ratio relative to a single unit, and that unit scales together across all five elements at once. Here's how WPM is calibrated using the word "PARIS," why high-speed Morse becomes a perceptual rather than counted skill, and why Farnsworth timing deliberately breaks the proportional system for learners.

Jun 15, 2026

Morse Code Isn't History: SOS, Aviation Navigation Beacons, and Why Amateur Radio Operators Still Choose CW

SOS — three dots, three dashes, three dots — wasn't chosen for "Save Our Souls." It was chosen because that specific rhythm is virtually impossible to mistake for anything else, even under terrible signal conditions, and works via radio, light, or sound. Here's why Morse code remains actively used today in aviation navigation beacon identifiers and amateur radio CW operation — not as history, but for genuine technical advantages.

Jun 13, 2026

Morse Code and the History of Digital Communication: From Telegraph Networks to Huffman Coding

Morse code was the first digital communication protocol — and its variable-length encoding by letter frequency is the same principle used in JPEG compression today. Here's how Huffman coding originated in Vail's counting printer type cases, why timing disambiguates codes without fixed delimiters, and why CW radio survived into the 21st century.

Jun 10, 2026

Morse Code as Assistive Technology: Enabling Communication with a Single Button

Morse code is an active assistive technology enabling people with motor disabilities to type with a single button. Here's Google's Morse keyboard for Android, how two-switch input works, why Morse code still matters in amateur radio, and the binary tree that makes it efficient.

Jun 9, 2026