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Book Translator AI

Use AI in a book translation workflow built for long-form reading, desktop review, and translated books that remain worth keeping.

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Upload one document, then choose the result you want to create.

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Another language. Still your book.

From chapter headings to images, footnotes and text styles, the translation follows the structure and layout of the original. Read in a new language with a familiar reading experience.

Original · English

Calculus Made Easy

Chapter I

A little bit of. The sum of.

These dreadful symbols are:

(1) d which merely means “a little bit of.” Thus dx means a little bit of x; or du means a little bit of u. But you will find that these little bits (or elements) may be considered to be indefinitely small.

dx,du

(2) ∫ which is merely a long S, and may be called (if you like) “the sum of.” Thus ∫dx means the sum of all the little bits of x; or ∫dt means the sum of all the little bits of t.

∫dx,∫dt

The word “integral” simply means “the whole.” If you think of the duration of time for one hour, you may (if you like) think of it as cut up into 3600 little bits called seconds. The whole of the 3600 little bits added up together make one hour.

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Translation · European Spanish

El cálculo al alcance de todos

Capítulo I

Un poquito. La suma.

Estos temibles símbolos son:

(1) d, que solo significa «un poquito de». Así, dx es un poquito de x; du, un poquito de u. Pero verá que estos pequeños trozos (o elementos) pueden considerarse indefinidamente pequeños.

dx,du

(2) ∫, que no es más que una S alargada y puede llamarse, si lo desea, «la suma de». Así, ∫dx es la suma de todos los pequeños trozos de x; ∫dt, la de todos los de t.

∫dx,∫dt

La palabra «integral» significa simplemente «el todo». Puede imaginar una hora dividida en 3600 pequeños trozos llamados segundos. Todos esos 3600 trozos sumados forman una hora.

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A new language, the same familiar book. Keep the chapters, images and original layout, and carry on reading in your favorite reader.

Desktop + iOS client

Download the desktop app to try AI book translation on real reading material

The desktop app gives you a practical place to translate book-length content with AI, inspect the result on a larger screen, and keep the translated file locally while you judge it. That matters when you want AI help without giving up reading quality.

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Use AI on a book workflow that still leads to a readable result

Even when AI is the starting point, what matters most is still the book itself: a translated version that stays coherent enough to keep reading over time.

  1. Best for AI-assisted book translation tasks

    Useful when you want AI involved but still care about how the translated book reads over chapters and sessions.

  2. The AI result should stay readable over time

    A good outcome is a translated book that keeps making sense as you continue reading, not just a fast first pass.

  3. Review is still how users judge AI output

    Users often inspect the book on desktop for consistency, readability, and whether the result is worth saving.

  4. Useful when you want AI help without losing the shape of the book

    The important outcome is a translated book you can inspect, save, and continue reading, not just a fast first-pass generated by a model.