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EPUB Reader Translator

Use a workflow that helps you read and translate EPUB books with desktop review and a translated result you can keep using.

Drop a PDF or EPUB here

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

PDF or EPUB · one file at a time

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 read, translate, and inspect EPUB books

The desktop app gives you a reader-friendly place to work through EPUB translation, inspect the translated book on a larger screen, and keep files locally while you review them. That is useful when your search sits between reading and translation rather than pure export.

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See client apps

Translate an EPUB in a workflow that still feels reader-friendly

When reading and translation are both part of the task, what matters most is a translated EPUB that still feels comfortable to move through as a book.

  1. Best for users who think in terms of reading plus translation

    Useful when the goal is not only to translate a book, but to stay inside a book-reading workflow while doing it.

  2. The translated book should remain comfortable to read

    A strong result is a translated EPUB that still works like a reading copy rather than a detached translation export.

  3. Desktop inspection helps bridge reading and translation

    Users often want to look through the translated book and judge whether it remains pleasant enough to read.

  4. Useful when you want reading and translation to stay connected

    The important result is a translated EPUB you can actually read through, not just a translation utility that strips the book down to plain text.