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HomeConvertMOBI Converter

MOBI Converter

Convert Mobipocket eBook files to any format — free, fast, and 100% private

eBooks11+ Output Formats
Choisir des Fichiers

ou glissez-déposez vos fichiers ici

Taille max : 2 Go

Vos fichiers sont traités localement dans votre navigateur. Rien n'est envoyé à un serveur.

Instant Conversion

Convert MOBI files in seconds using WebAssembly

100% Private

Files never leave your device — zero server uploads

Free Forever

No limits, no registration, no watermarks

What is MOBI?

Mobipocket eBook (.mobi)

MOBI is Amazon's legacy eBook format, originally created by Mobipocket and acquired by Amazon for Kindle devices. MOBI supports basic text formatting, images, tables, and bookmarks. While Amazon has transitioned to newer formats (KF8/AZW3), MOBI remains compatible with all Kindle devices and apps. MOBI files are limited compared to EPUB: they don't support video, advanced CSS, or the latest accessibility features. For publishing on Amazon, authors typically upload EPUB or DOCX files, which Amazon converts to its internal format. Converting MOBI to EPUB provides access to a wider range of e-readers and more modern features.

Convert MOBI to Any Format

Select an output format below to convert your Mobipocket eBook file

MOBIEPUBMOBIAZWMOBIAZW3MOBIFB2MOBILITMOBILRFMOBIPDBMOBITCRMOBIDJVUMOBICBZMOBICBR

How to Convert MOBI Files

1

Open Convert999 and upload your MOBI file by clicking "Choose Files" or dragging it into the converter.

2

Select the desired output format (e.g., PDF, JPG, PNG, DOCX, MP3, or any of 11+ supported formats).

3

Click "Convert Now" and download your converted file instantly. No waiting, no server processing.

MOBI Converter FAQ

How do I convert MOBI files?
Upload your MOBI file to Convert999, select the desired output format, and click convert. The conversion happens instantly in your browser — no file uploads to any server.
What formats can I convert MOBI to?
You can convert MOBI to 11+ formats including EPUB, AZW, AZW3, FB2, LIT and more.
Is the MOBI converter free?
Yes! Convert999 is 100% free — no registration, no watermarks, no file limits. Convert unlimited MOBI files at no cost.
Can I convert MOBI files on my phone?
Yes, Convert999 works on any device with a web browser — iPhone, Android, tablet, or desktop. No app installation needed.
Is it safe to convert MOBI files online?
Convert999 processes all files locally in your browser using WebAssembly technology. Your files never leave your device, ensuring complete privacy.
What is the maximum MOBI file size I can convert?
Convert999 supports files up to 2GB. Since processing happens locally, performance depends on your device's available memory.

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MOBI Format Details

Full specification & info

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