How to Translate a Book You Have the Rights To: A Complete Guide

If you have written a novel, or you have a book you own the rights to, getting it into another language used to mean hiring a translator for months or stitching together a patchwork of free tools that mangle the formatting. That has changed. The hard parts are now mostly solved by software, which means the question is no longer “can I translate this,” but “how do I translate it well, and am I allowed to.”

This guide covers the second question first, because it is the one that actually matters.

Start here: only translate what you have the right to

Before any file goes near a translation tool, be clear about one thing. You are solely responsible for ensuring you have the rights to translate and upload whatever you work with. A translation is a derivative of the original, and the right to make one belongs to whoever holds the copyright.

In practice, the work falls into a few clean categories:

• Your own writing. A novel, web serial, or manuscript you wrote. You hold the rights, so you can translate it freely.
• Public-domain works. Titles whose copyright has expired. Rules differ by country and by author death date, so confirm a work’s status in your jurisdiction before you rely on it.
• Works you have licensed or been given written permission to translate. If a rights holder has granted you a translation license, keep that permission on file.
• Files you own, for uses the license actually allows. Owning a copy is not the same as owning the right to translate and redistribute it. Check what your license permits before assuming personal-use translation is allowed.

If a work does not fall cleanly into one of those, do not translate it. The rest of this guide assumes you are working with material you are allowed to use. If the book is your own writing, the author-focused version of this guide covers the specifics: how to translate your own novel into English.

Pick the right source file

The format you start from changes how much cleanup you will do later.

• EPUB is the best case. The text and chapter structure are already separated from the layout, so a good translation keeps your headings, paragraphs, and chapter breaks intact.
• TXT is simple and reliable for plain prose. You lose styling, but you also lose the formatting bugs that come with it.
• PDF is the hardest, because the text is locked into a page layout. Expect to spend time fixing line breaks and stray spaces.
• A manuscript file (the document you wrote in) is ideal when the book is your own. You control the source, so you control the quality.
• Images (scanned pages, comics, or webtoons you have the rights to) need text recognition first, then translation.

If you can choose, choose EPUB or your original manuscript. You will save hours.

Machine, AI, or human: what you actually get

“Machine translation” and “AI translation” are not the same thing, and the difference shows up fastest in fiction.

Older machine translation works phrase by phrase. It is fast and free, and for a sentence or two it is fine. Across a novel it falls apart: it forgets that a character’s name is a name, it renders the same term three different ways, and it flattens tone until every character sounds identical.

Current AI translation reads more context at once, so it holds tone and meaning across longer passages and handles dialogue far better. It is not a human translator, and for a book you intend to publish commercially, a human editor pass is still worth it. But for getting a readable, consistent draft of your own work, it closes most of the gap that used to make machine translation unusable for fiction.

Human translation is still the top of the quality ladder and the right call for a flagship release. It is also slow and expensive, which is why most people start with an AI draft and edit from there.

The real hard part: names and terms that stay consistent

Anyone can translate one chapter. The thing that breaks long books is consistency.

A novel has dozens of proper nouns that must read the same way every single time: character names, place names, organizations, invented terminology, and for many genres a whole vocabulary of recurring terms. Translate chapter by chapter and those names drift. By chapter forty, your protagonist has been spelled three ways and a key term has two competing translations. Readers notice immediately, and it is miserable to fix by hand.

The fix is a glossary: a fixed list that says “this name always becomes that, this term always becomes this,” applied across the entire book. A translation workflow that supports a glossary turns the worst part of the job into a setting you configure once. This is exactly the kind of feature Novel Translator is built around, because it is the difference between a draft you can actually use and one you have to rewrite.

If your book leans on heavy genre terminology, like the cultivation vocabulary common in xianxia, our xianxia and cultivation glossary shows the kind of recurring terms that have to stay consistent from the first chapter to the last.

How to translate an EPUB without wrecking the formatting

The most common complaint with do-it-yourself translation is that the output looks nothing like the input. Headings collapse into body text, chapters merge, and italics vanish. To avoid that:

1. Start from a clean EPUB, not a PDF export of one.
2. Use a tool that translates the text while preserving the file’s structure, so chapter and paragraph breaks survive.
3. Set your glossary before you run the whole book, not after.
4. Translate a single chapter first as a test, read it, and adjust your glossary and settings.
5. Only then run the full book.

That test-chapter step is the one most people skip, and it is the one that saves the most rework.

A simple workflow, start to finish

Here is the shape of a clean run on a book you have the rights to:

1. Confirm your rights. Your own work, public domain, or licensed. Keep any permission on file.
2. Get the cleanest source file you can, ideally EPUB or your original manuscript.
3. List your fixed terms. Main characters, places, and any recurring terminology, with the translation you want for each.
4. Translate one chapter and read it critically. Fix the glossary where the tool guessed wrong.
5. Run the full book with your settings locked in.
6. Edit. Read it through, or hand it to an editor if you are publishing. The AI draft is a strong starting point, not the finish line.

Tools like Novel Translator handle steps two through five in one place, including EPUB and image handling and the glossary, on pay-as-you-go credits rather than a subscription, so you can run a single book without committing to a plan.

Common questions

What languages can I translate between? Most current AI translation tools cover the major novel-source languages, including Chinese, Japanese, and Korean into English and back. Check the tool’s supported pairs for anything less common.

How much does it cost? Pay-as-you-go tools price by file and length rather than a flat fee, so a short story costs far less than a 1,000-chapter serial. You can usually price a file before you commit.

Can it handle mature or NSFW content I have the rights to? Some tools refuse it and some support it with specialized handling. If your owned work includes mature content, pick a tool that states it supports that, like Novel Translator.

Is the translation private? With a private translation workflow, your draft is yours. That matters if you are translating an unpublished manuscript you do not want exposed.

The short version

Translating a book you have the rights to is now a few clear steps: confirm you are allowed to use the work, start from a clean file, lock in a glossary so names stay consistent, test one chapter, then run the whole thing and edit. The technology is no longer the bottleneck. Your rights to the source, and a little setup, are what determine whether the result is something you can actually publish or share.