In case you want to start managing a multi-language website or already have one and look for the best Magento 2 extensions we are ready to provide you with some. Here is the list of the MUST HAVE Magento 2 modules for Multi-language website:
The main feature of this extension is already included in its name - it switches between store-views automatically. The extensive GeoIP database used by the Auto Language switcher module enables it to identify customers' country and correspondingly point them to the store view in their language. Besides, there is an option to identify customers' language by the language set in their browser.
In case you manage not only multi-language but multi-currency website Magento 2 Auto-Currency Switcher extension may come in handy. Since customers are lead to the store view in their local language they would like to be shown prices in their local currency as well. This module uses the GeoIP database and allows you to automatically display prices in customers' local currency on the basis of their location.
If you've translated the CMS, Product, Category, Blog Post and Blog Category Pages, but do not know how to make them interconnected Magento 2 Alternate Hreflang Extension is exactly what you need. Alternate tags are great for your SEO. In case you haven't heard of them please check out the Hreflang Google Documentation to get a better understanding.
Using store code in the URLs of your multi-language website you are not allowed to get rid of it on the default store view since the "ADD Store Code to URLs" is set for the Global scope. With the Magento 2 Advanced URL Store Code you are able to remove store code from the default store view URLs and enable them on the other locales.
In case you want some specific words to be translated into another language for the definite store view Magefan Translation Module will help you with that. It is easily managed from the Admin Panel. You can just go to System > Translation by Magefan, add the translation and set it for the particular store view. Create your own Magento dictionary to be sure your customers will be shown just quality translations.