bkobilansky / FolioReaderKit

A Swift ePub reader and parser framework for iOS.

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FolioReader logo FolioReaderKit is an ePub reader and parser framework for iOS written in Swift.


FolioReaderKit is available through CocoaPods. To install it, simply add the following lines to your Podfile:

pod 'FolioReaderKit'


  • iOS 8.0+
  • Xcode 7.1+

Basic Usage

To get started, this is a simple usage sample.

import FolioReaderKit

func open(sender: AnyObject) {
    let config = FolioReaderConfig()
    let bookPath = NSBundle.mainBundle().pathForResource("book", ofType: "epub")
    FolioReader.presentReader(parentViewController: self, withEpubPath: bookPath!, andConfig: config)

In your AppDelegate call applicationWillResignActive and applicationWillTerminate. This will save the reader state even if you kill the app.

import FolioReaderKit

func applicationWillResignActive(application: UIApplication) {

func applicationWillTerminate(application: UIApplication) {


  • Custom Fonts
  • Custom Text Size
  • Text Highlighting
  • List / Edit / Delete Highlights
  • Themes / Day mode / Night mode
  • Handle Internal and External Links
  • Portrait / Landscape
  • Reading Time Left / Pages left
  • In-App Dictionary
  • Media Overlays (Sync text rendering with audio playback)
  • Book Search
  • Add Notes to a Highlight
  • Better Documentation


Custom Fonts ๐Ÿ˜

Custom fonts

Day and Night Mode ๐Ÿ˜Ž

Day night mode

Text Highlighting ๐Ÿ˜


Reading Time Left ๐Ÿ˜ฎ

Time left

Media Overlays ๐Ÿ˜ญ

Time left


For now the documentation is the sample project, I will write a better documentation in the next weeks.

You have a problem that cannot be solved by having a look at the example project? No problem, let's talk: Join the chat at https://gitter.im/FolioReader/FolioReaderKit


Heberti Almeida


This project needs you! If you would like to support this project's further development, the creator of this project or the continuous maintenance of this project, feel free to donate. Your donation is highly appreciated. Thank you!



FolioReaderKit is available under the BSD license. See the LICENSE file.


A Swift ePub reader and parser framework for iOS.

License:BSD 3-Clause "New" or "Revised" License


Language:Swift 92.0%Language:JavaScript 3.5%Language:CSS 3.2%Language:Ruby 1.0%Language:Objective-C 0.3%