How to convert FictionBook (FB2) to Kindle (AZW3)
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Upload your file
Drag and drop a file or click to select one. Keep this page open while the file uploads and converts.
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Convert FictionBook (FB2) to Kindle (AZW3)
NexMedia converts FictionBook (FB2) to Kindle (AZW3) 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 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.
Convert FB2 to AZW3 online free, no account required — AZW3 is Amazon's Kindle Format 8 ebook format.
Change FB2 to AZW3 without losing quality — convert FB2 to AZW3 free in your browser.
Why can't my ebook app open my FB2 file? FictionBook is an XML format popular mainly in Eastern Europe, and Western readers rarely ship support for it — converting to EPUB makes it readable anywhere.
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.
Why convert an ebook to AZW3? To load it onto a Kindle in Amazon’s native format, with better typography support than old MOBI.
What changes when you convert FB2 to AZW3
- Ebook conversion is best-effort: the text, images and table of contents of the FB2 carry over to AZW3, but layout and styling can change.
- Fixed layouts, embedded fonts and complex styling in the FB2 may not survive the move to AZW3.
Settings you can change
Before you convert FB2 to AZW3, 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 AZW3 file is kept for 2 hours, then deleted.
FB2 to AZW3: questions and answers
Does converting FB2 to AZW3 reduce quality?
Ebook conversion is best-effort: the text, images and table of contents of the FB2 carry over to AZW3, but layout and styling can change.
What is the difference between FB2 and AZW3?
FB2 is an XML-based ebook format. AZW3 is Amazon's Kindle Format 8 ebook format.
Can I change the settings when converting FB2 to AZW3?
Before you convert FB2 to AZW3, you can adjust: Title, Author, Language, Page size, Base font size, and Generate table of contents.
Do I need an account to convert FB2 to AZW3?
No. You can convert FB2 to AZW3 without an account; signing in raises the file-size and daily limits.
How long is my converted AZW3 file kept?
The AZW3 file you convert from FB2 is kept for 2 hours, then deleted automatically.
Will the page layout of my FB2 survive in the AZW3?
Fixed layouts, embedded fonts and complex styling in the FB2 may not survive the move to AZW3.
Will my AZW3 look exactly like my FB2?
Ebook conversion is best-effort: the text, images and table of contents of the FB2 carry over to AZW3, but layout and styling can change.