Add and 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.
  • Mac how to  background pic@2x
  • If you want to customize your toolbar to get more frequently-used tool items, go "How to customize toolbar?" to learn more.
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