PDFsun.com allows you to convert fb2 files to rb quickly, easily and entirely online. Upload your files to our platform, let our fb2 to rb converter do its magic and download your newly created document right away. No more hassle, convert fb2 to editable rb in just a few steps. Learn how to convert fb2 to rb with PDFsun.com by following the steps above.

How to convert FB2 to RB

Step 1

Upload fb2-file(s)

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose "to rb"

Choose rb or any other format you need as a result (more than 200 formats supported)

Step 3

Download your rb

Let the file convert and you can download your rb file right afterwards

File extension .FB2
Description Is based on the XML format. Its main tasks are: precise display on a variety of devices, full preservation of document structure, ability to be transformed into other formats. Unlike other popular e-book formats, fb2 does not specify the appearance options for different devices’ displays. The format employs tools to indicate the different parts of the book – verses, epigraphs, quotations.
File extension .RB
Description Was developed for the first mass-produced e-book reader – Rocket eBook. The format is written in Ruby. RB files are containers holding the entire content for a Rocket eBook device. It has DRM protection capability which is not used in the books published at present due to the format’s lack of popularity.

Why Convert FB2 to RB?

The main benefit of converting fb2 to Rocket eBook is the ability to edit the text directly within the file. This is especially helpful if you want to make significant changes to your fb2, as most people are comfortable and familiar with Rocket eBook. If you're wondering how to change fb2 to rb for free, it's important to note that quality of the resulting rb is also important, not just the cost. While there are several free fb2 to rb converters, the majority do not sufficiently maintain the original formatting and spacing of the file. Our conversion tool delivers a result that looks like your original fb2 file.


We created our fb2 to rb free converter tool so you no longer need to waste time retyping files in rb. Within seconds you can change your fb2 to a rb and make the necessary edits. Not only is our fb2 to rb converter free, online and available whenever you need it, we allow users to convert 2 additional files per month for free too. So go ahead and convert fb2 to rb online for free. We think you will be happy with the results !

FB2 Convert to