ePub and FB2, explained
What these e-book files actually contain, how to open them, and which readers support which format.
Convert FB2 to ePub
Drop an FB2 file in and download the same book as an ePub. It is
converted in your browser and never uploaded.
Open the ePub inspector
Drop a file in and see its version, metadata, contents and whether it
carries DRM. It is read in your browser and never uploaded.
What the formats are
- What is an FB2 file?FB2 is a Russian e-book format built on XML. What the files contain, which readers open them, and how FB2 differs from ePub.
FB2.fb2.zip - The technology of the ePub formatWhat is actually inside an ePub file: the XHTML documents, the packaging files and the container, and how the specification has changed since 2001.
ePub.opf.ncx - What is an ePub file?What an ePub file is, how to open one on a phone, computer or Kindle, and why it reflows to fit your screen instead of holding a fixed page.
ePub
Which one to choose
- ePub or PDF: which e-book format to choosePDF keeps the page, ePub keeps the reader comfortable. Which one to pick depends on whether the layout carries meaning, and on the screen you will read it on.
ePubPDF - Amazon's e-book formats: AZW3, KFX and MOBIKindle books come in Amazon's own formats rather than ePub. What AZW3, KFX and MOBI are, which is current, and why a MOBI file is now a dead end.
AZW3KFXMOBI