docspace-plugins/reader

BookReader Plugin

Overview

View EPUB and FB2 files in a dedicated reader. Supports compressed formats (.fb2.zip, .zip containing supported files).

How to configure

To start working with the plugin, it is not needed to change the default settings.

In case you want to adjust the plugin settings, go to Settings -> Integration -> Plugins and click on the gear symbol next to the BookReader plugin.

How to use

Supported formats

The plugin supports the following file formats:

• .epub — Electronic Publication (EPUB 2.0/3.0)
• .fb2 — FictionBook 2.0
• .fb2.zip — Compressed FictionBook files
• .zip — Archives containing EPUB or FB2 files

Opening files

• The plugin is available in the file's context menu (right-click on a file or click the three dots next to it).
• Select any supported file and choose Open in Reader from the context menu.
• The file will open in a reader view in a modal window.

Reader interface

• Navigation: Use the ‹ and › buttons at the bottom to move between pages/chapters
• Progress: A progress bar shows your position in the book
• Page counter: Displays current page numbers and percentage complete
• Bookmarks: Your reading position is automatically saved and restored next time you open the file

ZIP files

The plugin automatically detects book formats inside ZIP archives:

• ZIP containing a single .epub file
• ZIP containing raw EPUB structure (META-INF/container.xml)
• ZIP containing a single .fb2 file

Technical details

The plugin uses the following open-source libraries:

• @lingo-reader — EPUB and FB2 parsing
• jszip — ZIP archive handling

User feedback and support

To ask questions and share feedback, use Issues in this repository. Alternatively, you can contact ONLYOFFICE team via community.onlyoffice.com or feedback.onlyoffice.com.