Import any EPUB, PDF, or TXT book, tap a word for an instant translation, and turn what you read into vocabulary you actually remember.
Import your own books and read them in a calm, focus-friendly reader — no dictionary tabs, no context-switching.
Tap any word or phrase for an instant translation, then save it to WordLab — your own vocabulary, built from real sentences.
Spaced-repetition flashcards and quizzes bring saved words back right before you'd forget them.
Bring your own library — novels, articles, textbooks, short stories.
An instant translation, pronunciation, part of speech, and CEFR level for any word — without leaving the page.
Flashcards use the exact sentence from your book, with the word highlighted — never a blank card.
Every word you save is leveled automatically, so Word Lab shows your progress by CEFR level, not just a word count.
Words you keep struggling with are flagged automatically, so review time goes where it's actually needed.
Flashcards and quick quizzes bring saved words back right before you'd forget them.
Find any passage inside a book and highlight it for later, in EPUB or PDF.
Your books stay on your device. Sign in only if you want your vocabulary and progress backed up.
Yes. Every reader gets a free daily allowance of AI-powered translations. Premium removes the daily limit with a monthly, six-month, or yearly plan.
EPUB, PDF, and TXT. Your books stay on your device — Biblyx doesn't require uploading them anywhere.
Reading and highlighting always work offline. A built-in dictionary covers common words without an internet connection; new AI translations need one.
Every word you save is automatically leveled from A1 to C2 (CEFR), and Word Lab shows your whole vocabulary broken down by level, so your progress is never a guess.
No. Biblyx works fully without an account. Sign in only if you want your vocabulary and progress backed up and synced across devices.
The Biblyx interface is available in 8 languages — English, Turkish, Azerbaijani, German, Spanish, French, Italian, and Russian — and you can read and translate books in the language you’re learning.
Biblyx is available first on Android, via Google Play. iOS support is planned for a future release.
Biblyx builds your vocabulary from the real books you read, not generic word lists. Every saved word keeps the exact sentence you found it in, so flashcards use real context instead of a blank card.