Morse Code Translator – Text to Morse & Back

Morse Code Translator

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Try an example: SOS · Clear both fields

Standard ITU Morse. Encode turns each character into dots/dashes; decode reads space-separated letters and /-separated words. Playback uses the Web Audio API — no audio files needed.

Sur Morse Code Translator

From Dots and Dashes to Instant Translation

Morse code has been carrying messages across wires, radio waves and flashing lights since the 1840s — and it is still alive today in aviation, amateur radio, assistive technology and puzzle culture. The most famous Morse signal of all, SOS (... --- ...), is recognized worldwide even by people who know nothing else about the code.

Our free Morse Code Translator converts text to Morse code and Morse code back to text instantly, right in your browser. It uses the full international (ITU) character set — A–Z, 0–9 and punctuation — plays the result aloud with adjustable speed via the Web Audio API, and includes one-click copy buttons for both directions. No signup, no downloads, nothing leaves your device.

How to Use the Translator

1. Choose a direction: Text → Morse to encode, or Morse → Text to decode.
2. Type or paste your input. For decoding, separate letters with spaces and words with a forward slash (/).
3. Get instant results as you type — no button pressing required.
4. Press Play to hear the Morse as audio tones: short beeps for dots, long beeps for dashes.
5. Adjust the speed to slow the playback down while learning, or speed it up once you are fluent.
6. Copy the output with one click for use anywhere.

The International Morse Code Chart

Letters: A .- , B -... , C -.-. , D -.. , E . , F ..-. , G --. , H .... , I .. , J .--- , K -.- , L .-.. , M -- , N -. , O --- , P .--. , Q --.- , R .-. , S ... , T - , U ..- , V ...- , W .-- , X -..- , Y -.-- , Z --..

Numbers: 1 .---- , 2 ..--- , 3 ...-- , 4 ....- , 5 ..... , 6 -.... , 7 --... , 8 ---.. , 9 ----. , 0 -----

Punctuation: period .-.-.- , comma --..-- , question mark ..--.. , exclamation -.-.-- , slash -..-. , plus .-.-. , minus -....- , equals -...- , colon ---... , semicolon -.-.-. , quotation .-..-. , dollar ...-..- , at-sign .--.-. , ampersand .-... , parentheses -.--.- , underscore ..--.-

Notice the design logic: the most common English letter, E, is a single dot, while rare letters like Q (--.-) are long. Morse was an early exercise in data compression — frequent symbols got the shortest codes.

How Morse Code Actually Works

• Timing is everything: a dot is 1 time unit, a dash is 3 units, the gap between parts of one letter is 1 unit, between letters 3 units, and between words 7 units. Our audio playback follows these exact ratios.
• Encoding: each character maps to its dot-dash pattern; letters are separated by spaces and words by slashes in the text output.
• Decoding: the translator splits your Morse on spaces to recover letters and on slashes to recover word breaks — so ".... . .-.. .-.. --- / .-- --- .-. .-.. -.." becomes "HELLO WORLD".
• Prosings: special combined signals like SOS (... --- ...) are sent as one continuous stream without inter-letter gaps — a distress signal, not three letters.

Try it: encode your name, play it back slowly, and see how quickly your ear starts recognizing the rhythm. SOS is the perfect first signal to memorize — ... --- ....

If you enjoy classic codes and ciphers, you will also like our barcode generator for creating scannable codes and our QR code scanner for reading them.

Morse Speed: Words Per Minute, Explained

Operators measure Morse speed in words per minute (WPM), based on the standard word PARIS — chosen because its dot-dash pattern represents average English letter length. At 20 WPM a dot lasts just 50 milliseconds; at 5 WPM it stretches to 240 milliseconds. Our translator's speed slider changes the unit length while keeping the exact dot/dash/gap ratios, so faster playback is a true picture of skilled sending. A classic learning trick is the Farnsworth method: keep character speed high (so each letter's rhythm stays recognizable) while stretching the gaps between letters — you can simulate it by playing at full speed and pausing between letters yourself. Aim to recognize whole letters by sound before chasing raw WPM numbers.

Learning Morse Code: Practical Tips

1. Learn the sounds, not the dots. Think "di-dah" rhythms instead of visualizing . and -. Operators recognize sound patterns, not pictures.
2. Start with E, T, S, O. The shortest codes (. - ... ---) teach you the dot/dash distinction fast.
3. Use the playback at slow speed. Set our translator to its slowest setting and shadow each letter aloud as it plays.
4. Practice 10 minutes daily. Short, consistent sessions beat occasional marathons — the same principle behind our typing speed test training advice.
5. Decode real messages. Paste song lyrics or quotes into the translator, encode them, then decode from the Morse alone.
6. Learn prosigns last. SOS, AR (end of message .-.-.) and similar combined signals make sense once letters are automatic.

Where Morse Code Is Still Used

• Amateur (ham) radio: Morse (CW mode) cuts through weak signals and interference better than voice — a global hobbyist community keeps it thriving.
• Aviation: navigational beacons still identify themselves in Morse, and pilots learn to recognize the identifiers.
• Assistive technology: sip-and-puff and single-switch interfaces let people with limited mobility "type" in Morse.
• Emergency signaling: a flashlight, mirror or whistle can send SOS anywhere on earth with no infrastructure at all.
• Puzzles and games: escape rooms, ARGs and puzzle hunts love Morse — this translator is a perfect solver companion.

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Frequently Asked Questions

What does SOS mean in Morse code?

SOS is ... --- ... — three dots, three dashes, three dots sent as one continuous signal. It does not officially stand for anything ("Save Our Souls" is a backronym); it was chosen because the pattern is unmistakable.

How do I separate words when decoding?

Use a forward slash (/) between words, e.g. ".... .. / - .... . .-. ." decodes to "HI THERE". Letters within a word are separated by single spaces.

Is this the American or International Morse code?

International (ITU) Morse code — the worldwide standard. American Morse (railroad code) is a different, older system.

Why does the audio sound different at different speeds?

The translator keeps the correct dot/dash/gap ratios at every speed (dot = 1 unit, dash = 3 units, 600 Hz tone) and simply changes the unit length, so faster playback is a true representation of skilled sending.

Can Morse code include lowercase or special characters?

Traditional Morse has no case — everything is uppercase. Our translator accepts lowercase input and converts it automatically, and supports the full ITU punctuation set listed above.

Famous Messages Sent in Morse Code

• "What hath God wrought" (1844): the first public Morse message, sent by Samuel Morse over the Washington–Baltimore telegraph line. Try encoding it in the translator above.
• Titanic distress calls (1912): the ship's operators sent both CQD (the older distress call) and the newer SOS as the Titanic sank — one of the events that cemented SOS in the public mind.
• WWII resistance messages: coded Morse broadcasts from the BBC carried instructions to resistance movements across occupied Europe.
• Apollo-era NASA: astronauts used a Morse-like flashing light system as backup communication, and ham radio operators tracked missions in Morse.
• Modern aviation: every day, thousands of pilots hear Morse identifiers from VOR and NDB beacons marking airways around the world.

Morse Code in Pop Culture and Puzzles

Morse pops up everywhere once you know to listen for it: film soundtracks hide messages in beeping patterns, escape rooms use flashing-light puzzles, and alternate-reality games bury clues in audio files. Knowing even a little Morse turns you from a spectator into a solver. Paste any suspicious dot-dash string you find into the decoder above — you might be surprised how often it is real Morse and not random noise. Puzzle designers also love the visual patterns: Morse jewelry, tattoos and artwork encode names and dates in dots and dashes, readable only to those in the know.

Dots, dashes and 180 years of history — now in your browser. Encode a secret message for a friend, learn the rhythm of SOS, and if this sparked an idea for a website of your own, FistHost hosting at $0.99/month with a free domain is the simplest way to put it online.