How to convert HTMLZ to FictionBook (FB2)
- 1
Upload your file
Drag and drop a file or click to select one. Keep this page open while the file uploads and converts.
- 2
Convert HTMLZ to FictionBook (FB2)
NexMedia converts HTMLZ to FictionBook (FB2) on its own servers. Processing time depends on the file size and how busy the queue is.
- 3
Download the converted file
When the conversion finishes, the download appears on this page. Your converted file is kept for 2 hours, then deleted.
About HTMLZ
HTMLZ is Calibre's format for a book as a single HTML page with its CSS and images, packed in a ZIP file.
Editing the text of a book in an HTML editor, or publishing it as a web page.
Few readers open HTMLZ directly; it is mainly an exchange format for Calibre.
Convert HTMLZ to FB2 online free, no account required — FB2 is an XML-based ebook format.
Change HTMLZ to FB2 without losing quality — convert HTMLZ to FB2 free in your browser.
Why won’t any e-reader open my HTMLZ book directly? It is a whole web page zipped into one file, a storage format no reader unpacks — converting to EPUB gives the book the structure readers actually display.
About FictionBook (FB2)
FictionBook (FB2) is an XML-based ebook format that describes the structure of a book (sections, titles, notes) rather than its appearance.
Ebooks in Russia and Eastern Europe, where many free libraries offer FB2.
Kindle and Apple Books do not read FB2, and its styling options are minimal.
Why convert an ebook to FB2? For Russian-language readers and apps built around FictionBook, where metadata and structure map cleanly.
What changes when you convert HTMLZ to FB2
- Ebook conversion is best-effort: the text, images and table of contents of the HTMLZ carry over to FB2, but layout and styling can change.
- Fixed layouts, embedded fonts and complex styling in the HTMLZ may not survive the move to FB2.
Settings you can change
Before you convert HTMLZ to FB2, you can adjust: Title, Author, Language, Page size, Base font size, and Generate table of contents.
Limits
Each plan sets a maximum file size and a number of conversions per day, and video and audio files also have a maximum length. Guests can convert files up to 100 megabytes and 5 per day; a free account raises this to 500 megabytes and 25 per day; paid plans go up to 100 gigabytes.
Your converted FB2 file is kept for 2 hours, then deleted.
HTMLZ to FB2: questions and answers
Does converting HTMLZ to FB2 reduce quality?
Ebook conversion is best-effort: the text, images and table of contents of the HTMLZ carry over to FB2, but layout and styling can change.
What is the difference between HTMLZ and FB2?
HTMLZ is a book as one HTML page, packed in a ZIP. FB2 is an XML-based ebook format.
Can I change the settings when converting HTMLZ to FB2?
Before you convert HTMLZ to FB2, you can adjust: Title, Author, Language, Page size, Base font size, and Generate table of contents.
Do I need an account to convert HTMLZ to FB2?
No. You can convert HTMLZ to FB2 without an account; signing in raises the file-size and daily limits.
How long is my converted FB2 file kept?
The FB2 file you convert from HTMLZ is kept for 2 hours, then deleted automatically.
Will the page layout of my HTMLZ survive in the FB2?
Fixed layouts, embedded fonts and complex styling in the HTMLZ may not survive the move to FB2.
Will my FB2 look exactly like my HTMLZ?
Ebook conversion is best-effort: the text, images and table of contents of the HTMLZ carry over to FB2, but layout and styling can change.