AI Translation
Use large language models to translate plain text ebooks naturally and accurately.
Clean MOBI Output
Keep paragraph spacing readable and download a simple translated text file.
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How to Translate a MOBI Ebook
Upload MOBI
Choose your plain text ebook file from your device.
Select languages
Use automatic source detection or choose the original language, then select the target language.
Start translation
The AI translator processes text in batches and keeps paragraph breaks readable.
Download MOBI
Download the translated MOBI file and open it in any text editor or e-reader.
Frequently Asked Questions
Can this translate a MOBI ebook online?
Yes. Upload a MOBI file, choose a target language, and download a translated MOBI file.
Will paragraph breaks be preserved?
The translator keeps blank-line paragraph breaks and returns a clean text file 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 text files?
This version supports MOBI files up to 5MB and limits total translated text for reliability. Split very large books into smaller parts.