Reading
Read EPUB books
Open EPUB books in a reader with adjustable text size, spacing, themes, navigation, search, and reading progress.
DeltaScrollDownloadWindows desktop application
Read and manage your books
on Windows.
DeltaScroll is a private EPUB reader for Windows. Import books, read offline, organise your library, use text-to-speech, and store books and reading data on your device.
Free to use Windows x64 installer No account required
Windows desktop application
Local storageYour books stay on your device
Reading controlsText, search, notes, and audio
Portable backupsBack up books and reading data
Windows application features
Features for reading and library management.
DeltaScroll provides the tools required to read books, manage files, and store reading data on Windows.
Library management
Organise your books
Use shelves, favourites, bookmarks, notes, highlights, and library search to manage your collection.
File support
Import EPUB, PDF, and DOCX
Import EPUB files directly. Convert PDF and DOCX documents into EPUB books on your device.
Text-to-speech
Listen to book text
Use built-in text-to-speech to listen to your books. The playback controls are available from the reader.
Backups
Create a portable backup
Create a portable backup containing your books, reading positions, shelves, favourites, highlights, bookmarks, and notes.
Privacy
Store data locally
Local reading does not require an account. Google Drive backup is optional. Your books and reading data remain on your device by default.
Application demonstration
See the main Windows workflow.
This video shows the main workflow: import a file, open the library, read a chapter, and use the text-to-speech controls.
- 01Import a bookImport an EPUB, PDF, or DOCX file.
- 02Manage the libraryUse shelves, notes, bookmarks, and reading progress.
- 03Read or listenUse the reader and text-to-speech controls.
DeltaScroll Windows demonstration02:56
Use the video controls to start playback and enable sound.
Local storage and optional backup
Store and access your data locally.
Your library is stored locally. Opening a book does not require an account or a constant connection. You can create an optional Google Drive backup.
- No account required for local reading
- No ads in the reader
- Portable backup files you control
Import and organise books
Use one library for your books.
Import one book or import an existing collection. Search Project Gutenberg for public-domain titles. Organise books into shelves and keep reading data with the library.
Open the web libraryWindows download
Download DeltaScroll for Windows.
Download the Windows x64 installer and use the application on your computer.
Independent development
Support DeltaScroll.
DeltaScroll is free to use. Donations help support maintenance, device testing, accessibility work, and application updates.
Support DeltaScrollFeature requests
Request a new feature.
Describe the task you want to complete and the change that would help. The request opens in your email application.
Request a featureWindows app information
Frequently asked questions.
Is DeltaScroll free to use on Windows?
Yes. The Windows app is free to download and use. Donations are optional and support independent development.
Do I need an account?
No. You can import books, read offline, organise your library, and store reading progress on your device without creating an account.
Which files can I open?
DeltaScroll opens EPUB files. It can also convert PDF and DOCX files into EPUB books on your device.
Can I move my library to another computer?
Yes. Use the Backups page to create a portable backup file. Restore that file on another DeltaScroll installation.
Does the Windows app work offline?
Yes. After a book is stored in your library, you can read it and access its local reading data without an internet connection.