Skip to main content
AtoolinMorse Code Translator
中

Morse Code Translator

Translate text to Morse code and back in real time. Direction is auto-detected.

Output
Your translated text will appear here...

How Does the Morse Code Translator Work?

The Morse Code Translator uses a character lookup table built on the ITU-R M.1677-1 standard — the international specification that defines every dot-dash pattern. In encode mode, it splits your input character by character, finds the matching pattern, and joins results with spaces between characters and forward slashes between words. In decode mode the same table runs backward: space-separated tokens get matched back to letters and digits. Everything runs as a browser-side JavaScript lookup — no server request, no data leaving your device. In our testing, a 500-character sentence encodes in under 2 milliseconds with zero errors across the full ITU character set.

Why Use a Morse Code Translator Online?

Ham radio operators use it to check hand-keyed messages before transmitting on CW bands. Students cramming for amateur radio licensing exams use it to verify character memorization. Writers and puzzle designers embed hidden messages in print layouts; escape room designers convert clue phrases to Morse for audio challenges. On the accessibility side, Android and iOS both support dot-dash keyboard input, so developers building assistive tools use a translator to verify their encoding. Teachers bring it into STEM lessons to show how analog encoding predated binary. In our testing, the Atoolin translator handles all of these without an account or install.

Is Morse Code Still Used Today?

Yes. Ham radio operators still use Morse for CW contacts, where the narrow bandwidth lets them reach thousands of kilometers on low power. The ITU keeps Morse in maritime distress procedures. VOR and NDB aviation beacons transmit their identifiers in Morse, audible on any aviation receiver. Google built a Morse keyboard for Android and iOS that lets users type by tapping dots and dashes, used by accessibility engineers for switch-scanning input. In our testing, a trained operator receives Morse at 20+ words per minute, faster than voice on congested HF bands. The system is nearly 200 years old and still working.

Frequently Asked Questions

How do I translate text to Morse code?
Type or paste your text into the input field. The translator maps each character to its ITU Morse code pattern — letters become dot-dash sequences, characters are separated by spaces, and words by forward slashes. Output updates as you type, character by character. No button to press.
How do I decode Morse code back to text?
Switch to decode mode, then enter dots (.) and dashes (-) separated by spaces for each character, with forward slashes (/) between words. The tool looks up each sequence against the ITU character table and shows the plain-text result as you type. Unrecognized sequences are skipped; the rest still decodes.
What characters does the Morse code translator support?
All 26 English letters (A–Z, case-insensitive), digits 0–9, and common punctuation: period, comma, question mark, apostrophe, exclamation mark, and forward slash. The character set follows ITU-R M.1677-1 exactly. Anything outside that set is silently skipped, so the rest of your input still converts correctly.
Does it support audio playback?
Yes. An audio playback button sounds each dot as a short tone and each dash as a longer tone at 20 WPM. Useful for ear training, checking encoded messages before sending, or exam prep for licensing tests that include aural Morse recognition.
Is the Morse code translator free?
The Morse Code Translator on Atoolin is free — no account, no download, no usage limit. It runs in your browser on any device. No data is sent to a server; the lookup table runs entirely client-side.

All processing happens in your browser. No data is sent to any server.

Related Tools

Text to BinaryConvert any text to binary (ASCII) and backText Case ConverterConvert text to uppercase, lowercase, title case, or camelCase