How to convert Kindle (AZW3) 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 Kindle (AZW3) to FictionBook (FB2)
NexMedia converts Kindle (AZW3) 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 Kindle (AZW3)
AZW3, also called KF8, is Amazon's Kindle Format 8, introduced in 2011 with HTML5 and CSS3 formatting.
Kindle ebooks with a richer layout than MOBI; Kindle devices and Calibre read it.
Books bought from Amazon usually carry DRM, and DRM-protected files cannot be converted.
Convert AZW3 to FB2 online free, no account required — FB2 is an XML-based ebook format.
Change AZW3 to FB2 without losing quality — convert AZW3 to FB2 free in your browser.
Why won't my Kobo, phone or computer open my AZW3 ebook? Kindle Format 8 is Amazon's proprietary layout, locked to their own readers — converting to EPUB frees the book for every other device.
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 AZW3 to FB2
- Ebook conversion is best-effort: the text, images and table of contents of the AZW3 carry over to FB2, but layout and styling can change.
- Fixed layouts, embedded fonts and complex styling in the AZW3 may not survive the move to FB2.
- AZW3 files can carry DRM copy protection; protected files are detected and refused, because copy protection is never removed.
Settings you can change
Before you convert AZW3 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.
AZW3 to FB2: questions and answers
Does converting AZW3 to FB2 reduce quality?
Ebook conversion is best-effort: the text, images and table of contents of the AZW3 carry over to FB2, but layout and styling can change.
What is the difference between AZW3 and FB2?
AZW3 is Amazon's Kindle Format 8 ebook format. FB2 is an XML-based ebook format.
Can I change the settings when converting AZW3 to FB2?
Before you convert AZW3 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 AZW3 to FB2?
No. You can convert AZW3 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 AZW3 is kept for 2 hours, then deleted automatically.
Will the page layout of my AZW3 survive in the FB2?
Fixed layouts, embedded fonts and complex styling in the AZW3 may not survive the move to FB2.
What happens if my AZW3 file is copy-protected?
AZW3 files can carry DRM copy protection; protected files are detected and refused, because copy protection is never removed.