Last updated 07-30-2026
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Booktranslator.ai
Booktranslator.ai translates EPUB ebooks into another language while keeping the original file structure intact. You upload an EPUB, confirm you have translation rights, and the service returns the same book with chapters, images, footnotes, and styling preserved while the text changes language.
Most translation tools export plain text or rebuild the book from scratch. Booktranslator.ai reassembles the original EPUB after a five-step extract, analyze, translate, proofread, and reassemble pipeline, so footnotes and fonts survive the switch. That focus on ebook fidelity matters more than raw word count for authors and readers who care how the file looks on an e-reader.
Booktranslator.ai targets independent authors, publishers, and readers who want books in their native language without waiting for official releases. Pricing is pay-per-book with Basic and Pro word-rate tiers, a 7-day refund window for failed deliveries, and support for 50+ language pairs listed on the site.
Accepts EPUB uploads only and rebuilds the same file with translated text inside
Five-step pipeline extracts chapters, translates context-aware, then reassembles the EPUB
Basic plan costs $6.99 per 100,000 words with minimum charges starting at $6.99
Pro plan costs $9.99 per 100,000 words and uses the newest translation model
Supports 50+ language pairs including Spanish, French, German, Chinese, and Japanese
7-day money-back guarantee covers failed, corrupted, or incomplete translations
Reassembles the original EPUB instead of exporting a stripped text file.
Pay-per-book pricing avoids monthly subscriptions for occasional translations.
Pro tier uses newer models when you need higher translation quality.
7-day refund policy covers failed or corrupted deliveries.
EPUB is the only supported upload format.
Download links expire after 7 days, so you need to save files promptly.
Same source and target language selections are not refundable per the terms.
What file format does Booktranslator.ai support?
Booktranslator.ai supports EPUB files only. The FAQ recommends EPUB because it preserves formatting and structure better than other ebook formats.
How much does Booktranslator.ai cost?
Booktranslator.ai charges per word with Basic at $6.99 per 100,000 words and Pro at $9.99 per 100,000 words. Final pricing is calculated from token count before checkout, with a $6.99 minimum.
How long does Booktranslator.ai take to translate a book?
Booktranslator.ai completes most translations within 1 to 2 hours. Longer books can take up to 24 hours depending on length and queue volume.
Does Booktranslator.ai keep the original book layout?
Yes. Booktranslator.ai maps chapters, images, footnotes, and styling before translation, then reassembles the same EPUB so only the words change.
What languages does Booktranslator.ai support?
Booktranslator.ai supports translations between 50+ languages, including Spanish, French, German, Italian, Portuguese, Chinese Simplified, and Japanese.
Does Booktranslator.ai offer refunds?
Booktranslator.ai offers a 7-day money-back guarantee for technical failures such as corrupted files or incomplete translations. Contact support within 7 days of purchase for review.