FAQ
Which platforms does PDFBook run on?
Section titled “Which platforms does PDFBook run on?”Windows, macOS, and Linux — on both Intel/AMD (x64) and Arm (arm64) hardware.
Is PDFBook free?
Section titled “Is PDFBook free?”You can download and read with PDFBook for free. See the Download page for the installers.
Do my files leave my computer?
Section titled “Do my files leave my computer?”No. PDFBook reads and processes your PDFs locally. Reading requires no account, and your library never leaves your device. The only exception is the optional AI assistant when you choose a cloud provider — then the text you ask about is sent to that provider under your own account. A local Ollama model keeps everything on your machine.
Can it open password-protected PDFs?
Section titled “Can it open password-protected PDFs?”Yes. Enter the password when prompted; you can have PDFBook remember it for that book.
Does it support manga / right-to-left reading?
Section titled “Does it support manga / right-to-left reading?”Yes. The reader supports right-to-left page turning, and you can set the direction per book so manga and regular books coexist in one library.
Can I make a PDF from images or screenshots?
Section titled “Can I make a PDF from images or screenshots?”Yes — see Creating PDFs and the Screen capture tool.
How do I get updates?
Section titled “How do I get updates?”PDFBook checks for new versions on startup and links you to the latest download. If you installed from the Microsoft Store, updates come through the Store automatically.
I found a problem or have a request
Section titled “I found a problem or have a request”Please open an issue on the GitHub repository.