Read without switching between apps
Keep one reading flow instead of jumping to a translator every minute.
Read in original languages with immediate understanding
Read books in a foreign language and understand from the first paragraph.
Upload your book and read it in two languages at once — without constant translator switching and without losing the plot.
EPUB only (for now)
Learning languages: English, Spanish, Serbian, Russian
Takes less than a minute. Start right in your browser.
What changes when you read with Unfolda
Less friction, more story. Focus on reading while parallel context helps you understand in the flow.
Keep context and reading rhythm
Understand phrases in place and continue the chapter without losing momentum.
Learn naturally through real books
EPUB support lets you practice language with stories you actually want to read.
The problem
You read in the original language, hit a difficult phrase, jump to a translator, lose the plot thread, then repeat this loop again and again.
The solution
Unfolda shows parallel paragraphs with context so you understand in the flow and continue reading without constant stops.
How it works
01
Open Unfolda on the web
Go to unfolda.ai and start instantly in your browser.
02
Upload your EPUB book
Unfolda currently supports EPUB input for smooth reading sessions.
03
Read with parallel context
Learn English, Spanish, Serbian, or Russian with side-by-side contextual help.
Why readers choose Unfolda
Understanding without losing the plot
You keep reading the story while getting context exactly where it matters.
Less translator detours
Spend more time inside the book and less time juggling extra tabs.
Natural language learning through context
New words stick better when they come from a meaningful paragraph, not isolated drills.
Reading at a comfortable pace
Stay in your rhythm instead of stopping at every unfamiliar phrase.
Built for real books, not only textbooks
Read the EPUB books you already love and turn every chapter into practice.
Who this is for
Expats and relocators
Adapt to a new language environment while reading books you enjoy.
Students and professionals
Read domain literature in original language with better comprehension.
Book lovers
Enjoy original-language reading with less friction and more clarity.
FAQ
What file formats are supported now?
At this stage Unfolda supports EPUB only. Other formats are not available yet.
Is this a mobile app or a web service?
Unfolda is a web service. You can start directly at https://www.unfolda.ai.
Which learning languages are available?
Current learning languages: English, Spanish, Serbian, and Russian.
Try it with your own book in 1 minute
Upload an EPUB and start reading with parallel context right away.
Upload your bookNo setup needed. Start in your browser.