Quick Guide for Mac

A Quick Guide is dedicated to helping you quickly find the answers you need.

How to Add or Remove Background

Changing the background of the PDFs will comfort your eyes after long-time reading:

1. Tap Tools on the main menu -> Background -> Add Background;

2. Or tap Editor on the toolbar -> Background -> Add Background to the PDFs and set its capacity, ratio, rotation and position;

3. Tap Remove Background if you don't need them.

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