Supported Languages - Coveo Cloud

The Coveo Platform can index content written in 57 languages. Coveo Machine Learning (Coveo ML) features and Coveo JavaScript Search Framework user interfaces also support a wide array of languages.

  • The Coveo Platform can index other language content as long as:

    • The language uses spaces to separate words.

    • The item encodes characters in Unicode.

    For languages meeting those requirements, most language features are supported, except language detection and stemming.

  • Since result ranking is partially based on summarization and key-concept extraction techniques, English, French, German, and Spanish queries return the most relevant results consistently.

The following table presents the features supported by each language.

Language Locale Supported
index features1		 Coveo ML
support		 Search UI
support
English en All2
French fr All2
German de All2
Spanish es All2
Danish da All
Dutch nl All
Finnish fi All
Hungarian hu All
Italian it All
Norwegian no All
Portuguese pt All
Swedish sv All
Turkish tr All
Catalan ca All
Romanian ro All
Valencian ca All
Armenian hy All
Russian ru All
Chinese (Simplified) zh All except Stemming
Greek el All except Stemming
Hindi hi All
Japanese ja All except Stemming
Korean ko All except Stemming
Thai th All except Stemming
Arabic ar All except Stemming
Basque eu All except Stemming
Lithuanian lt All except Stemming
Czech cs All except Stemming
Indonesian id All except Stemming
Polish pl All except Stemming
Albanian sq All except Stemming
Afrikaans af All except Stemming
Belarusian be All except Stemming
Bulgarian bg All except Stemming
Burmese my All except Stemming
Croatian hr All except Stemming
Esperanto eo All except Stemming
Estonian et All except Stemming
Filipino fil All except Stemming
Hebrew he All except Stemming
Icelandic is All except Stemming
Kazakh kk All except Stemming
Latvian lv All except Stemming
Macedonian mk All except Stemming
Malay ms All except Stemming
Moldovan ro All except Stemming
Mongolian mn All except Stemming
Norwegian Bokmål nb All except Stemming
Persian fa All except Stemming
Serbian sr All except Stemming
Slovak sk All except Stemming
Slovenian sl All except Stemming
Swahili sw All except Stemming
Tagalog tl All except Stemming
Ukrainian uk All except Stemming
Uzbek uz All except Stemming
Vietnamese vi All except Stemming and Did you mean

1: Encoding, Excerpt, Language detection, Thesaurus, Stemming, and Did you mean.

2: The index can also generate item summaries.

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