AI Translation
Use large language models to translate ebook text naturally across popular languages.
Keeps EPUB Structure
Preserve chapters, images, styles, and ebook packaging while replacing readable text.
100% Free
No registration, no limits, no watermarks. Completely free forever
How to Translate an EPUB Ebook
Upload EPUB
Choose your EPUB ebook file. The translator reads chapter files inside the ebook package.
Select languages
Use automatic source detection or choose the original language, then select the target language.
Start translation
The AI translator processes ebook text in batches while keeping the EPUB structure intact.
Download EPUB
Download the translated EPUB and open it in your favorite e-reader or reading app.
Frequently Asked Questions
Can this translate an EPUB ebook online?
Yes. Upload an EPUB file, choose a target language, and the tool returns a translated EPUB file.
Will images and chapters be preserved?
The translator keeps the EPUB package and replaces readable chapter text, so images and chapter structure are preserved when possible.
Which languages are supported?
The first version supports common targets including Chinese, English, Spanish, French, German, Japanese, Korean, and Portuguese.
Can I translate very large ebooks?
This initial version is optimized for smaller EPUB files. Large books should be split into smaller parts or processed with the upcoming background job version.