DeltaScroll
DeltaScroll for Windows

Your books belong on your computer.

Import books, read offline, organise your library, use text-to-speech, and keep books and reading data on your device by default.

  • Free to use
  • Windows x64 installer
  • No account required
DeltaScroll Windows application showing the library with The Odyssey in progress
Windows desktop library

Reading and library tools, kept together.

DeltaScroll helps you read and manage your own files without making an account the centre of the experience.

Read EPUB books

Adjust text size, spacing, themes, navigation, search, and reading progress.

Organise your books

Use shelves, favourites, bookmarks, notes, highlights, and library search.

Import EPUB, PDF, and DOCX

Open EPUB files directly. Convert PDF and DOCX documents on your device.

Listen to book text

Use built-in text-to-speech controls without leaving the reader.

Create a portable backup

Keep books, reading positions, shelves, favourites, highlights, bookmarks, and notes together.

Store data locally

Read without an account. Google Drive backup remains optional.

See the main Windows workflow.

Import a file, open the library, read a chapter, and use the text-to-speech controls.

  1. 1
    Import booksChoose an EPUB, PDF, or DOCX file.
  2. 2
    Manage the libraryUse shelves, notes, bookmarks, and progress.
  3. 3
    Read or listenUse the reader and text-to-speech controls.
DeltaScroll Windows demonstration · 02:56

Local reading stays local by default.

Opening a book does not require an account or a constant connection. Google Drive backup is available only when you choose to connect it.

  • No account required for local reading
  • No ads in the reader
  • Portable backup files you control
  • PDF and DOCX conversion runs on your device

Download DeltaScroll for Windows.

Get the Windows x64 installer and open your library on your computer.

Download the app

Support DeltaScroll.

Donations support maintenance, device testing, accessibility work, and updates.

Support DeltaScroll

Request a feature.

Describe the task you want to complete and the change that would help.

Request a feature

Windows app questions.

Answers about cost, accounts, file support, backups, and offline reading.

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.