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Supported Languages and How to Test

Language settings, supported codes, browser defaults, and testing with ?lang parameter.

Updated over 7 months ago

How languages are determined

By default, translations are set automatically using the shopper’s browser language.

Overriding the default language

To display a page in a specific language, add the ?lang=xx parameter to any URL.

✅ This parameter can be used in both testing and production.

Supported languages

Language

Code

Czech

cs

Danish

da

Danish (Denmark)

da-DK

German

de

German (Liechtenstein)

de-CH

Greek

el

English

en

Spanish

es

Spanish (LATAM)

es-419

Spanish (US)

es-US

Finnish

fi

French

fr

French (Canada)

fr-CA

Hebrew

he

Indonesian

id

Italian

it

Japanese

ja

Korean

ko

Dutch

nl

Norwegian

no

Polish

pl

Portuguese

pt

Portuguese (Brazil)

pt-BR

Russian

ru

Swedish

sv

Turkish

tr

Chinese

zh

Notes

  • Language codes are case-sensitive.

  • To test both languages and currencies, you can combine parameters.

⚠️ Reminder: Combined parameters for language + currency should only be used in testing. Using them in production may cause a currency mismatch at checkout.

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