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Translate EPUB Ebooks

Translate an EPUB book chapter by chapter, as a translated or a bilingual edition.

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Accepts EPUB

Encrypted upload. Files are deleted automatically after 1 hour.

About Translate EPUB

Translate EPUB books you own into a language you read comfortably, such as a novel that was never published in your language, a public-domain classic or a technical book you want to study closely. The book is translated chapter by chapter, from the first page to the last, without copying and pasting a single paragraph. Chapters, headings, images and the table of contents stay as they were.

Under Result, choose Translation only for a clean read, or Both languages for a bilingual edition with each paragraph followed by its translation. Books locked with DRM can't be opened, so the file must be DRM-free. Machine translation is a reading aid; style and wordplay can get lost, so a published translation still needs a human translator and editor.

How to use Translate EPUB

  1. 1
    Upload the EPUB

    Choose a DRM-free .epub file or drop it on the page.

  2. 2
    Choose language and result

    Set Translate to, then Translation only or Both languages under Result.

  3. 3
    Click Translate EPUB

    The chapters are translated in order on our server.

  4. 4
    Download and read

    Open the book in your reading app, such as Apple Books, Google Play Books or Calibre.

Why use Cubfile for this

  • Chapter by chapter

    The whole book is translated in order, one chapter after another.

  • Bilingual editions

    Read the original and the translation together to learn or to check the meaning.

  • Book structure kept

    Chapters, headings, images and the table of contents stay as they were.

  • Private library

    Your book is deleted automatically an hour after the job and never goes into AI training.

FAQ

Translate EPUB: questions and answers

Can I translate EPUB books from Kindle or Apple Books?
Only if the file is DRM-free. Most store purchases are locked with DRM and can't be opened here, while public-domain books and DRM-free purchases work.
What does a bilingual edition look like?
With Both languages, each paragraph is followed by its translation, so you can read in one language and glance at the other when you need to. Books and papers in PDF form get a side-by-side layout from the Bilingual PDF Translator.
How long a book can I translate?
On a free account, up to 40,000 characters of text, which suits a short story or a few chapters. VIP translates books of up to 2 million characters, enough for most novels.
Can I translate a book on a free account?
Yes, with 2 tasks a day on a free account and files up to 50 MB. VIP has no daily limit and accepts books up to 1 GB.
Is my ebook kept private?
Yes. It's uploaded over HTTPS, translated in an isolated process and deleted automatically after one hour. We never share books or use them for AI training.
Share Translate EPUB with a friendIt runs in any browser, and they can try it without signing up.

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