Read, translate, and learn—all in one app.
With Booklex, enjoy reading your favorite books in the language you’re learning while instantly translating words and expanding your vocabulary—all within a single app.

Why Choose Booklex?
Support for 50 Languages
Learn and translate words in 50 different languages, catering to your unique language learning needs.
Unlimited Library Access
Upload and manage an unlimited number of PDF and EPUB files, giving you endless reading possibilities.
Complete Offline Functionality
Access all your books and language tools without an internet connection, anytime and anywhere.
Personalized Dictionary
Build your own dictionary by adding favorite words, making your study sessions more effective.
User-Friendly Interface
Enjoy a seamless and intuitive reading experience designed to enhance your language learning process.
Integrated Vocabulary Games
Boost your retention with interactive games that make learning new words fun and engaging.
How to Use Booklex
Kickstart your language learning journey with Booklex effortlessly.
Reading and Translating
- Open a Book: Select a book from your library to start reading.
- Tap to Translate: Simply tap on any unfamiliar word to see its translation and definition.
- Adjust Text Settings: Customize font size, style, and background color for comfortable reading.


Building Your Dictionary
- Add Words: When you tap on a word, select Add to Dictionary to save it for later study.
- Organize Entries: Categorize your saved words by topic or frequency to streamline your learning process.
- Review Definitions: Access detailed meanings, synonyms, and example sentences for each word in your dictionary.