GitBook Toolchain Documentation

This document aims to be a comprehensive guide to GitBook. It contains the full documentation for version 3.2.2. Help for specific questions can be found at

What is GitBook?

GitBook is a command line tool (and Node.js library) for building beautiful books using GitHub/Git and Markdown (or AsciiDoc). . This documentation has been generated using GitBook.

GitBook can output your content as a website (customizable and extensibles) or as an ebook (PDF, ePub or Mobi). is the online platform to create and host books built using the GitBook format. It offers hosting, collaboration features and an easy-to-use editor.

Help and Support

We're always happy to help out with your books or any other questions you might have. You can ask a question on the following contact form at or signal an issue on GitHub.

Check out the GitBook Community Slack Channel, Stay updated by following @GitBookIO on Twitter or GitBook on Facebook.


Some questions are frequently asked. If you have a problem you should check this out first.

Contribute to this documentation

You can contribute to improve this documentation on GitHub by signaling issues or proposing changes.

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