eeeeeeeeeeeeeeeelroooooooooooond:

Ardalambion (this one has a lot of helpful links and info about Tolkien’s languages)

Council of Elrond Workbooks (Sindarin or Quenya)

Elven phrases

English-Elvish translator (this one is word-for-word only, so I don’t recommend this one for more than single words, as it doesn’t take…

Helpful websites for your Elvish needs