This book used to be the documentation for GitBook and Now the docs have been split:

GitBook Documentation

This book contains the entire documentation for GitBook ( and format).

Open Source Format

The toolchain (GitBook) is a tool for building beautiful books using Git and Markdown. It can generate your book in many formats: PDF, ePub, mobi or as a website.

It is open source, the source code of the tool is available on GitHub.

Issues and question related to the format and the toolchain should be posted on GitHub is the online platform ( to create and host books built using the GitBook format.

Other documentations

Documentation for developers (API & Plugins) is accessible at

Setup guide and documentation for the enterprise version is accessible at

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 or signal an issue on the following contact form at

Contribute to this documentation

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