Can I scan multiple pages into a single PDF using WhatsApp’s scanner? Is there a limit to the number of pages I can scan into a single document?

VueScan will scan several pages and save them to a PDF file. It's fairly simple to use once you've figured out the hooks in the UI.

If you want a better-quality PDF/eBook, you can go the manual route by using a high-volume scanner to manually scan the pages of your book.

Should I get a standalone scanner? A standalone scanner is only necessary for cases when you need to scan a document in really high detail, or scan multiple pages of a document quickly.

Signatures, dates and other text can all be dropped into a PDF with a couple of taps, and there’s a lot of flexibility in every aspect of the app—from how your signature looks on the page to ...

Need to create a PDF on your Mac? Here's how to convert a file into a PDF on your Mac.

Unless you regularly scan huge documents that require a document feeder on your desktop scanner, your smartphone should get the job done.