Convert EPUB to RB
Online & free tool to convert EPUB files to RB


1) Input file

Choose source file(s) to convert:

0 of 5 files added (up to 500 MB combined)

2) Output format

Select a target format to convert to:

3) Convert

By clicking you agree to our terms

1) File URL

Choose file URL to convert:


2) Output format

Select a target format to convert to:

3) Convert

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1) Cloud Service

Choose a cloud service provider:


2) Output format

Select a target format to convert to:

3) Convert

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EPUB The ePub format is one of the many open source eBook file formats available. Initially released in 2007, it succeeded the legacy Open eBook format. The format was first defined by the Open eBook forum, part of the international digital publishing forum. EPUB digital books and publications all have the associated .epub extension and can be opened and viewed on any compatible device, software application, smartphone, or dedicated reader. The format is capable of optimizing the resolution of digital publications to suite the resolution of the device being used, making it inherently a 'reflowable' format.
RB The .rb extension is used for many formats which include definition files based on the Fuzzy rule, eBook files of the Rocket Edition, class files of Ruby on Rails, project files of REALbasic and the profile configuration files of Rosebud. Other versions of Ruby which are also called gems include Mongrel, Capistrano and Ruby on Rails.

How to convert EPUB to RB

STEP 1

Select the ebook file in the EPUB format to convert to the RB format, you can select a file from your computer or your Google Drive or Dropbox account.                            

STEP 2

Choose the RB format from the drop-down list as the output format, and click the Convert button, you can convert up to 5 files at the same time and a maximum size of up to 500 MB.

STEP 3

Wait until your file is uploaded and converted into the RB ebook format, you can download the converted file up to a maximum of 5 times, and can also delete the file from the Download page.