Convert EPUB to HTMLZ Online — Free
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Upload your .epub file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .htmlz file when it's ready.
What is EPUB?
EPUB is the most widely supported ebook format. It supports reflowable text that adapts to different screen sizes, making it ideal for e-readers.
Format Details
- Full Name
- Electronic Publication
- Extension
- .epub
Key Features
- Reflowable text
- E-reader standard
- DRM support
- Multimedia
What is 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.
Format Details
- Full Name
- Compressed HTML eBook
- Extension
- .htmlz
Key Features
- Zipped HTML
- Calibre native
- CSS support
- Portable
EPUB vs HTMLZ
| Feature | EPUB | HTMLZ |
|---|---|---|
| Full Name | Electronic Publication | Compressed HTML eBook |
| Extension | .epub | .htmlz |
| Best For | Reflowable text | Zipped HTML |