Is a popular eBook format developed in Russia, which utilises the XML mark-up language. It can be opened by most eBook readers though in some cases it will have to be converted into a proprietary format.
Amazon Kindle File Format
Is a file used for eBooks on Amazon Kindle devices. It is the predecessor to the AZW, which offers support for HTML5 and CSS3 unlike AZW3.
How to use this FB2 to AZW3 converter
Drop your FB2 file into the box, or click to select a file from your computer.
Review file and click remove if you would like to choose another.
Click convert. Your file will upload and the conversion process will begin. Larger files will take longer to convert.
Your new AZW3 file will appear below. Click download to save to your computer.