How to read pdf books on a small screen?

Question

Android

Please tell me how to read books on the phone? I downloaded a bunch of readers, it's not realistic to read on them, since the text does not scale!

Answer 1

Use OrionViewer. Allows you to view each page in fragments, and this is implemented as a normal paging.

Answer 2

I use the program -K2PDFOpt - on the advice of "Lifehacker" to convert the file:
https://lifehacker.ru/2011/07/22/kak-podgotovit-pd...