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Read Your Favorite Books in Any Language

Don't let difficult language stop you from reading what you love. Upload any e-book and have our AI adapt it to your level.

The Power of Extensive Reading

Immersing yourself in a full-length book is one of the most effective ways to build deep vocabulary and grammar intuition.

Extended Immersion

Dive into long-form stories and cohesive narratives. Books provide the deep, extensive input needed to reach high levels of fluency naturally.

Chapter-by-Chapter

Lenguia processes your books chapter by chapter, making even the longest novels manageable and ensuring a smooth, organized reading experience.

Simplified Classics

Want to read a masterpiece that's too advanced? Our AI can simplify complex literature while preserving the plot and character development.

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Your Library, Your Level

Turn any digital book into a personal language course. Every word you learn here strengthens your fluency across all other features.

01

EPUB & PDF Support

Upload your own e-books (up to 50MB). We support standard formats so you can bring your entire library into your learning journey.

02

Smart Auto-Translation

Upload a book in any language and have Lenguia translate and simplify it into your target language at your exact proficiency level.

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Interactive Mastery

Every word is clickable. Get instant translations, hear the correct pronunciation, and save any word or sentence to your flashcards.

Mastering Your Books

Advanced techniques to help you tackle full-length novels and build a native-like vocabulary through reading.

Re-read your favorites

Start with a book you've already read in your native language. Since you know the plot, you can focus entirely on the language.

Progressive difficulty

Read a book at 'Intermediate' first. Once finished, challenge yourself by reading it again in its 'Original' difficulty.

Don't over-translate

Try to understand from context first. Only click words that appear frequently or are essential for understanding the plot.

Common Questions

What file formats are supported?

Currently, we support EPUB and PDF files (up to 50MB). This covers the vast majority of digital books available today.

Can I translate books between languages?

Yes! You can upload a book in one language (e.g., English) and have Lenguia translate it into your target language (e.g., French) for your study.

Which level is best for reading books?

Books are fantastic for Intermediate and Advanced learners. For complete beginners, we recommend starting with our shorter daily stories first.

What Our Users Say

Real stories from learners using Lenguia

Yama

Learning:French

"Lenguia took my very basic French and improved it surprisingly fast—without ever feeling like a chore. With just a few hours on the app, I was able to confidently hold conversations during my recent ski trip to France. It's incredibly convenient, offering familiar tools like spaced repetition flashcards, along with innovative features I haven't seen in other apps. These add variety and make the learning experience feel fresh and engaging. What's even more impressive is how quickly the platform evolves—new features and improvements seem to roll out constantly. Lenguia has become my go-to for language learning."

Amy

Learning:Portuguese

"Your program is amazingly brilliant! Parabéns!🎊🍾"

natethehero

Learning:Japanese

"After reading my first story, I already feel so much more confident in my knowledge and my ability to actually understand what I'm reading."

davidinsla

Learning:Spanish

"It's a thoughtful combo of other apps I've used. It's taken the best parts of LingQ and LanguaTalk and probably some others and it seems you have done it better."

db

Learning:Spanish

"It's only been a few days, but I'm very excited to find my custom reading materials each day! It is so satisfying to understand most of it, either from context, or that it is tuned to my level, and that it is effortless to find the definition. Bravo! 5 stars 🌟🌟🌟🌟🌟"

Kilian

Learning:Dutch

"I love how Lenguia generates custom stories tailored to my interests, length, and skill level. It makes language learning fun, easy, and very exciting!"

Terry

Learning:German

"Yours is the best language learning site I've found. I'm learning without being in a lesson."

Sonja

Learning:French

"Using AI, this app creates stories according to my filters, I click on all words and word forms I don't know, Ai will use them again in future stories, all about my chosen themes. I love it, - I started with some basic knowledge and now vocabulary building feels super effortless."

Begin your journey to literary fluency

Start reading the books you actually love and watch your language skills grow naturally.

Start your 3-day trial today