How much does it cost to translate MOBI?

From 249 RUB per book up to 200 thousand words on Basic, or 445 RUB on Premium. The exact price appears once the file is uploaded.

What format do I get back?

EPUB. The original MOBI is converted to EPUB before translation, and there is no conversion back.

Can I check the quality before paying?

Yes. A sample of the book is translated automatically after upload so you can compare it against the original. Payment comes after that.

How long does translating a book take?

Usually from tens of minutes to a few hours depending on length. Progress is visible on the order page and the finished file arrives by email.

How is this different from machine translation?

Translation runs through large language models with surrounding context rather than word by word. The difference shows in dialogue, terminology and long descriptive passages.

Translate MOBI from Chinese to German

A MOBI file translates from Chinese to German in full, automatically. MOBI is converted to EPUB first, and the EPUB is what gets translated. The preview is free and pricing starts at 249 RUB per book.

Upload a bookPreview is free; you pay after checking the quality.

What happens to your file

MOBI is converted to EPUB first, and the EPUB is what gets translated. Worth knowing up front: you download EPUB, not the original MOBI. Chapter structure, table of contents and images survive the conversion.

How the translation runs

The MOBI file is converted to EPUB — a required step, since this format cannot be translated directly.
Structure is extracted from the EPUB: table of contents, chapter boundaries, images and metadata.
Text is translated segment by segment with surrounding context.
The EPUB is rebuilt with translated text and the original structure.
You download EPUB. The file is not converted back to MOBI.

What is preserved

Translating MOBI preserves:

table of contents and chapter navigation
chapter breaks and part ordering
images and their captions
book metadata: author, title, language

Chinese to German: what changes

German text usually runs about 200% longer than the source. For MOBI that means the translated file grows and pagination shifts.

This pair crosses writing systems: Han characters to Latin. For MOBI that means embedding a font covering the target character set, otherwise glyphs render as empty boxes.

What makes translation into German harder:

grammatical gender has to stay consistent across the whole book
a rich case system means endings shift with the syntax
compound nouns fuse into long words, which stretches line lengths
formal and neutral address are distinct, and a book cannot mix them

What makes the Chinese original harder to read

Difficulty comes from the source language as much as the target. Here is what has to be untangled in Chinese text:

The original does not separate words with spaces, so phrase boundaries have to be recovered algorithmically — and that determines where the text is cut into translation segments.
Chinese originals are more compact than most languages: one character carries more meaning, so a short page can expand into a noticeably longer translation.
number is not marked grammatically, so singular versus plural has to be recovered from context
the subject is often omitted, so who is acting has to be inferred from preceding sentences

What to keep in mind

The file you download is EPUB, not MOBI. There is no conversion back.
DRM-protected files cannot be opened programmatically and are not processed. We do not help remove protection.

What can go wrong

The honest weak points of this particular combination:

Pagination in EPUB will not match the original: the text length changed and EPUB reflows to the reader's screen.
In technical writing, terms can be rendered differently across chapters. If consistency is critical, use the Premium tier with its double pass.
If the translation fails, you get a full refund — the request form is on the site.

What it costs

Basic is 249 RUB for a book up to 200 thousand words; Premium is 445 RUB. The exact price is calculated once the file is uploaded and the real word count is known. A free preview shows translation quality before you pay.

Frequently asked questions

How much does it cost to translate MOBI?: From 249 RUB per book up to 200 thousand words on Basic, or 445 RUB on Premium. The exact price appears once the file is uploaded.
What format do I get back?: EPUB. The original MOBI is converted to EPUB before translation, and there is no conversion back.
Can I check the quality before paying?: Yes. A sample of the book is translated automatically after upload so you can compare it against the original. Payment comes after that.
How long does translating a book take?: Usually from tens of minutes to a few hours depending on length. Progress is visible on the order page and the finished file arrives by email.
How is this different from machine translation?: Translation runs through large language models with surrounding context rather than word by word. The difference shows in dialogue, terminology and long descriptive passages.