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ISO language codes

SurveyLab allows to set language for each respondent in the Contacts. Languages are defined with two-letter ISO 639-1 code (e.g. en, pl, cz, ar). This feature allows you to send a survey in a defined language.

ISO codes for supported languages

LanguageISO code
Polishpl
Englishen
Czechcz
Arabicar
Frenchfr
Hindihi
Russianru
Swedishsv
Chinesezh
Danishda
Germande
Italianit
Hungarianhu
Slovaksk
Sloveniansl
Afrikaansaf
Albaniansq
Bengalibn
Belarusianbe
Bulgarianbg
Catalanca
Chinesezh
Danishda
Estonianet
Persianfa
Finishfi
Greek el
Georgianka
Hebrewhe
Spanishes
Dutchnl
Japaneseja
Koreanko
Lithuanianlt
Latvianlv
Norwegianno
Portuguesept
Romanianro
Russianru
Serbiansr
Thaith
Turkishtr
Ukrainianuk
Vietnamesevi
Urduur
Tagalogtl
Mongolianmn
Pashtops
Uzbekuz
Khmerkm
Tamilta
Singhalasi
Croatianhr
Indonesianid
Zuluzu
Kazakhkk
Spanish Mexicanes-mx
Chinese Traditionalzh-cht
English USen-us
English UKen-uk

Check the full list of codes at https://www.loc.gov/standards/iso639-2/php/code_list.php