To convert HTMLZ to PDF, select or drop your .htmlz file above, check that PDF is chosen as the output, and click Convert. This conversion runs on our server, and your files are deleted 72 hours later.
What is a HTMLZ file?
HTMLZ – Zipped HTML e-book. HTMLZ is a ZIP of one HTML file with its pictures and style sheet, an e-book format that calibre makes and reads.
HTMLZ Converter →What is a PDF file?
PDF – PDF document. PDF is the document format that looks the same on every device: it fixes where each letter and picture goes on a page. It is made for reading and printing, not for editing.
PDF Converter →How to convert HTMLZ to PDF
- Click Select File, or drop your .htmlz files anywhere on this page. You can add several at once.
- Check that PDF is chosen as the output format. On this page it is picked for you.
- Click Convert. When a file has to go to our server, the button says Upload and convert instead.
- Click Download next to each file when it's done.
HTMLZ vs PDF: how they compare
| HTMLZ | ||
|---|---|---|
| Layout | Flowing text | Fixed pages |
| Editable | Yes, in a text editor | Hard |
| Created by | calibre, 2010 | Adobe, 1993 |
| Best for | Putting an e-book on a web page | Sharing and printing documents |
Good to know
- The HTMLZ e-book is converted by calibre. Copy-protected (DRM) e-books cannot be converted: ConvertKitty does not remove DRM, so use books you have bought without it or that are free of it.
- The e-book is typeset on pages of a standard size. The text flows to fit them, so page breaks are not those of a printed book.
Frequently asked questions
Is converting HTMLZ to PDF free?
Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.
Are my HTMLZ files uploaded anywhere?
This conversion runs on our server, because reading a HTMLZ file needs calibre, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.
How large can the HTMLZ file be?
Up to 1 GB per file. This conversion runs on our server, which accepts files up to that size.
Will the PDF look the same as the HTMLZ?
The text, chapters and pictures are kept. The look can differ: PDF readers use their own fonts and page sizes, so page breaks move.
Can I convert several HTMLZ files at once?
Yes. Add as many files as you like; they are converted one after another, and each one gets its own Download button.
How long does converting HTMLZ to PDF take?
In our tests a 4 MB novel of 400 chapters took about two minutes to become a PDF file of 2,000 pages. Most books are far smaller and take a few seconds.
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