lamp; light
lamp; light
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Features in development — translation & analysis currently available for English, German, and French
Tap any word for its definition, part of speech, and a full conjugation table when relevant. Words you mark drop into the vocabulary list automatically.
Select a passage and Lucerna breaks it down — grammatical structure, part-of-speech coloring, and a translation tuned to the surrounding context.
Highlight, write notes, save passages. Export the ones worth keeping as magazine-style share cards with paper-grain texture and quatrefoil ornaments.
English, German, French, Spanish, Italian, Portuguese, Dutch, Russian, Japanese, Korean, Chinese — all in the same reader. Bring your own AI key if you want.
Upload TXT, EPUB, or PDF. Lucerna paginates them, extracts the table of contents, and lets you search the full text instantly.
Start with any book in any language.
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