Dictarium's desktop reader opens your EPUB and PDF books and looks up any word instantly — with a real definition, pronunciation, and a running vocabulary you can turn into a dictionary.
A build isn't published yet — check back soon.
Why a desktop app
Open your own EPUB and PDF files — no upload, no cloud lock-in
Select any word to see a real definition, pronunciation, and usage examples
See everything you looked up in each book, and turn it into a dictionary in one click