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


1) Input file

Choose source file(s) to convert:

0 of 5 files added (up to 300 MiB combined)

2) Output format

Select a target format to convert to:

3) Convert

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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

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2) Output format

Select a target format to convert to:

3) Convert

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CHM The CHM file format and its associated .chm filename extension, is a proprietary file format developed by Microsoft. Its full name is compiled HTML Help. CHM was released to the public in 1997 as a bundle with Microsoft Windows 98 and was primarily designed to facilitate documentation on the Windows platform, particularly help files for software applications that run on the Microsoft Windows platform. Essentially, a CHM file is a collection of HTML files packed as a single compressed file. Though the format is proprietary, it was successfully reverse engineered by the late 90's to early 2000s allowing the development of open source readers that are capable of opening files with the .chm extension. The format was succeeded by the LIT 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 CHM to RB

STEP 1

Select the document file in the CHM 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 300 MiB.

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.