Cart2Cart: OpenCart to Shopify Migration Module will help transfer all products, customers and orders from your existing OpenCart store to Shopify in a few simple steps. It will help to set up the connection between two platforms in order to perform data migration. After that you will be redirected to the Migration Wizard, where you will be able to complete full migration. Module is free to install, nonetheless data migration service itself is paid - starting from $69 per migration.
You will be able to move such entities from OpenCart to Shopify:
Moreover, you will be able to map currencies, languages and order statuses in your OpenCart store to the corresponding ones in your Shopify store.