Convert from English to Klingon. The Klingons are a fictional extraterrestrial humanoid warrior species in the science fiction franchise Star Trek. For the Star Trek: The Motion Picture(1979) the Klingons got a complete step up on the make up, effects and complete Klingon language. The Klingon language is the constructed language spoken by the Klingons in the Star Trek Universe. Described in the 1985 book The Klingon Dictionary by Marc Okrand and deliberately designed to sound "alien", it has a number of typologically uncommon features. The language's basic sound, along with a few words, was first devised by actor James Doohan ("Scotty") and producer Jon Povill for Star Trek: The Motion Picture. That film marked the first time the language had been heard on screen. In all previous appearances, Klingons spoke in English. Klingon was subsequently developed by Okrand into a full-fledged language.
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Klingon (natively called tlhIngan Hol) is a fully constructed language created for the Star Trek franchise. It is spoken by the Klingons — a fictional warrior species from the planet Qo'noS — and is one of the most linguistically complete constructed languages ever developed for a fictional universe. Unlike many fictional languages that exist only as scattered phrases, Klingon has a complete grammar, an extensive vocabulary, and even a small number of genuine conversational speakers.
Klingon features sounds that deliberately feel harsh and alien to English speakers, including uvular stops, retroflex consonants, and complex verbal morphology. Linguist Marc Okrand designed it to sound like no known human language — and largely succeeded. It is classified as a rare OVS (Object-Verb-Subject) language, a word order almost unheard of in the world's natural languages.
Klingons first appeared in the original Star Trek series (1966), but it was Star Trek: The Motion Picture (1979) that first gave them a distinct spoken language. Actor James Doohan ("Scotty") invented the original sounds, and linguist Marc Okrand was commissioned to expand them into a full language for Star Trek III: The Search for Spock (1984). Okrand published The Klingon Dictionary in 1985, which became a bestseller and is still in print.
The language gained a dedicated following through The Next Generation, Deep Space Nine, and Discovery. Characters like Worf, Gowron, and Chancellor Martok delivered memorable Klingon dialogue that fans have memorised and quoted ever since. STAR TREK and all related marks are trademarks of CBS Studios Inc.
Here are some of the most popular Klingon phrases and their English translations:
| Klingon | English |
|---|---|
| nuqneH | What do you want? (standard greeting) |
| Qapla' | Success! (farewell / battle cry) |
| tlhIngan maH! | We are Klingons! |
| bIjatlh 'e' yImev | Shut up! |
| jIyajbe' | I don't understand. |
| SoH muSHa' | I love you. |
| HIja' | Yes. |
| taH pagh taHbe' | To be or not to be. |
The Klingon Language Institute (KLI), founded in 1992, is a real organisation dedicated to studying and promoting the Klingon language. It publishes a journal (HolQeD), maintains a dictionary, and has coordinated translations of literary works into Klingon — including a translation of Hamlet and portions of the Epic of Gilgamesh. The KLI famously argued that Hamlet should be read in the original Klingon: "taH pagh taHbe'".
Estimates suggest a few dozen people worldwide can hold a full conversation entirely in Klingon, making it one of the very few constructed languages — alongside Esperanto and Tolkien's Elvish — with genuine conversational speakers. Klingon was also one of the earliest constructed languages to be added to the Duolingo language-learning platform, bringing the language to millions of new learners.
This English to Klingon translator converts your input using documented Klingon vocabulary and grammatical rules from Marc Okrand's published materials and the KLI corpus. Enter any English word or phrase and click Translate to see the Klingon equivalent. Words without a direct match use phonetic approximation or the closest semantic equivalent in the documented Klingon vocabulary.
The Klingon API is also available for developers who want to integrate Klingon translation into Star Trek fan projects, games, Discord bots, or applications. Check the API documentation for endpoints and authentication details. Qapla'!