Convert HTMLZ to EPUB
Convert HTMLZ to EPUB online for free. No signup required. Your files upload over an encrypted connection and are deleted after 2 hours.
Free
no account needed
Frankfurt
stored in the EU
2 hours
then files are deleted
New conversion
Any format in, the right format out
Drag and drop your files here, or import from:
Upload files up to 100 MB in HTMLZ
How to convert HTMLZ to EPUB
Everything happens on this page, in any modern browser, with nothing to install.
Upload your HTMLZ file
Drag and drop your HTMLZ file or browse from your device, Google Drive, Dropbox, or OneDrive.
Convert to EPUB
Press Convert. To convert several HTMLZ files at once, add them all first.
Download your EPUB
Most files are ready in seconds.
What you get when you convert HTMLZ to EPUB
Each HTMLZ file you add comes back as its own download, under its original name.
- 01
With several results, Download all saves them all with one click.
- 02
If one file in a batch fails, the others still finish, and the result says what went wrong.
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Your EPUB file converts on to PDF, MOBI, AZW3 and 8 more here.
What HTMLZ and EPUB files are
HTMLZ
HTMLZ is an ebook format made by the Calibre ebook manager: a ZIP file holding the book as one HTML page with its CSS, images and metadata. Unzipped, it opens in a web browser and is easy to edit, but Kindle and Kobo e-readers do not support it, so it is best converted to EPUB for reading on a device.
EPUB
EPUB (Electronic Publication) is the most widely supported ebook format, used by Apple Books, Kobo, and most e-readers except Kindle. It supports reflowable text, images, and interactive content.
Convert your HTMLZ files to other formats
Choose a target format below to convert your HTMLZ files quickly and easily.
Convert other files to EPUB
Select a source format below to convert files to EPUB.
PDF to EPUB
Convert PDF files to EPUB format.Text to EPUB
Convert Text files to EPUB format.AZW3 to EPUB
AZW3 is Amazon's modern ebook format for Kindle devices and apps.FB2 to EPUB
FB2 is an XML-based ebook format popular in Russia and Eastern Europe.MOBI to EPUB
Convert MOBI files to EPUB format.LIT to EPUB
LIT is the ebook format of Microsoft Reader, which launched in 2000.LRF to EPUB
Convert LRF files to EPUB format.PDB to EPUB
Convert PDB files to EPUB format.CBR to EPUB
Convert CBR comic archives to EPUB format.CBZ to EPUB
Convert CBZ comic archives to EPUB format.
Frequently asked questions
Still have questions? Contact support.
Is it free to convert HTMLZ to EPUB?
Yes, converting HTMLZ to EPUB is completely free. You can convert files up to 100 MB and up to 10 files per batch, and no signup or account is required.
Will converting HTMLZ to EPUB affect the quality?
Our converter preserves the original quality of your HTMLZ files during the conversion to EPUB. The output maintains formatting, layout, and visual fidelity as closely as possible.
Can I convert multiple HTMLZ files to EPUB at once?
Yes. You can convert up to 10 HTMLZ files to EPUB in a single batch. Drag and drop all the files at once, and Novitora processes them together.
Is my data safe when converting HTMLZ to EPUB?
Your files upload to Novitora servers over an encrypted TLS connection and are automatically deleted 2 hours after upload. Data is stored in the EU (Frankfurt), and we follow SOC 2-aligned security practices.
What devices can I use to convert HTMLZ to EPUB?
Novitora works in any modern web browser on desktops, laptops, tablets, and phones. There is nothing to install: open the page, upload your HTMLZ file, and download the EPUB.