Supported Languages - Coveo Cloud

The Coveo Platform can index content written in 43 languages. Coveo Machine Learning (Coveo ML) features and 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 Supported
index features1		 Coveo ML
support		 Search UI
support
English All2
French All2
German All2
Spanish All2
Danish All
Dutch All
Finnish All
Hungarian All
Italian All
Norwegian All
Portuguese All
Swedish All
Turkish All
Catalan All
Romanian All
Armenian All
Russian All
Chinese All except Stemming
Greek All except Stemming
Japanese All except Stemming
Korean All except Stemming
Thai All except Stemming
Arabic All except Stemming
Basque All except Stemming
Lithuanian All except Stemming
Czech All except Stemming
Indonesian All except Stemming
Polish All except Stemming
Afrikaans All except Stemming
Belarusian All except Stemming
Croatian All except Stemming
Esperanto All except Stemming
Estonian All except Stemming
Filipino All except Stemming
Hebrew All except Stemming
Icelandic All except Stemming
Latvian All except Stemming
Persian All except Stemming
Serbian All except Stemming
Slovak All except Stemming
Slovenian All except Stemming
Swahili All except Stemming
Ukrainian All except Stemming
Vietnamese All except Stemming and Did you mean

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

Note 2: The index can also generate item summaries.

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