Quickpay already supports a lot of languages - and if you miss a given language, please contact us and we will work on covering that as well.
Read more on setting and changing the language and translations of the payment window in payment-window
The main languages in the manager are English and Danish, but it is also available with the same as the payment window.
Translations for the rarely used languages can be uncompleted. If you would like to help us with a translation for any given language, you are more than welcome to contact us.
We have a smart interface where you can translate a few lines at a time, so you decide how much you want to translate at the given time.