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Translate EPUB to English

Turn an EPUB into English with a workflow made for readable output, desktop review, and easier access to books you want to keep reading.

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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.

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Download the desktop app to translate into English and check the book first

The desktop app is a practical place to translate an EPUB into English, inspect the translated content, and keep the result locally once it is ready. After reviewing the book on desktop, you can continue reading later on iPhone or iPad.

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What matters when translating an EPUB to English

If English is already the language you want, what matters most is a reading copy that stays useful as a book instead of turning into detached translated text.

  1. Best for books you want to read in English

    A strong fit for novels, essays, research-oriented books, and other EPUBs where English is the language you want for reading, study, or reference.

  2. The output should feel ready for English reading

    A strong result is an English version that is easier to move through, revisit, and keep as part of an ongoing reading workflow.

  3. Review helps before you commit to the book

    Checking the translated EPUB on desktop helps you decide whether the English reading flow is good enough before you save it for longer sessions.

  4. Useful when the target reading language is already fixed

    The important result is an English version you can review, save, and continue reading while still keeping the structure of the original book.