Do not use download accelerator to download translations. It will get error.
EDocman is the leading document and files download manager extension for Joomla. Building based on Joomla Access Control Level System (ACL), Edocman gives you a very powerful, flexible permission system which you can use to control who can access, download, manage your documents from both front-end and back-end of Joomla site. Especially, Documents Indexing tool can be used to scan PDF, MS Office files as soon as they are uploaded.
Available Translations EDocman