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Ebook Conversion

Convert HTMLZ to MOBI Online — Free

Fast, free HTMLZ to MOBI converter. No registration required.

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2M+ fichiers convertis

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Comment convertir

1

Upload your .htmlz file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .mobi file when it's ready.

Qu'est-ce que le format HTMLZ ?

HTMLZ is a zipped HTML eBook format supported by Calibre. It bundles an HTML file with images and CSS into a single ZIP archive, providing a simple portable eBook format that preserves web formatting.

Détails du format

Nom complet
Compressed HTML eBook
Extension
.htmlz

Caractéristiques clés

  • Zipped HTML
  • Calibre native
  • CSS support
  • Portable

Qu'est-ce que le format MOBI ?

MOBI is an ebook format used by Amazon Kindle devices. While Amazon now prefers EPUB, MOBI remains compatible with older Kindle models.

Détails du format

Nom complet
Mobipocket eBook
Extension
.mobi

Caractéristiques clés

  • Kindle compatible
  • DRM support
  • Ebook standard
  • Amazon format

HTMLZ vs MOBI

CaractéristiqueHTMLZMOBI
Nom completCompressed HTML eBookMobipocket eBook
Extension.htmlz.mobi
Idéal pourZipped HTMLKindle compatible

Questions fréquemment posées

Yes. Our converter preserves chapter structure, table of contents, and navigation. Formatting, images, and internal links are maintained when both formats support them.
MOBI and AZW3 formats work natively on Kindle devices. EPUB works on Kobo, Nook, and most other e-readers. PDF works universally but isn't reflowable.
We can only convert DRM-free eBooks. If your file has DRM restrictions, you'll need to remove them before conversion. We don't provide DRM removal tools.
Yes. eBook conversion is free with up to 5 conversions per day. No registration or watermarks. Pro users get unlimited conversions and batch processing.
Yes. Upload from any device with a browser — iPhone, Android, tablet, or desktop. No app installation required.

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