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Life & fun · February 11, 2025

duolex

AI Bilingual Book Translator

duolex launched on February 11, 2025 with 8 votes and more than 50% of that year's launches.

What it does

Transform any book into a dual language text with AI. Upload your book, select the language and receive a bilingual version a click away that helps you read, learn and grow - all in one place. Free. Private.

Does a similar job

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  • Translate a Book with AI2025 · translateabook.com · ▲5

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  • BilingualTextAug 2026 · bilingualtext.com · ▲1

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  • Polypages2025 · polypages.ai · ▲9

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  • duoBooks2025 · duo-books.com · ▲8

    Read anything with translation to your native language

  • BookTranslator2025 · booktranslator.app · ▲12

    Hi HN! I built *BookTranslator.app* (https://www.booktranslator.app/) initially to help myself read English books in my native language. Later on as I shared on twitter, more and more people were finding it useful. So I thought it might also be helpful to share it here. You can drag-and-drop an *EPUB or PDF (≤ 50 MB)*, pick one of *76 target languages*, and ~60 seconds later you get a layout-preserving translation plus a side-by-side bilingual reader. The whole pipeline runs on the gpt-4o API with a bit of prompt-engineering to keep chapter structure, images and footnotes…

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