Add, Edit, and Remove Background
Backgrounds can enhance the outlook of your PDF document if added. UPDF provides a complete tool to add proper backgrounds, which can be done as follows.
Add Background
To add a background, open the PDF and lead to the Tools option from the left side of your screen. Next, you will have to select the Background option from the menu.

Next, as you are looking forward to creating a background, you will Next, as you are looking forward to creating a background, you will have to tap on the Add Background button from the toolbar at the top. In the revealing drop-down window, you can see two options, namely, Preset and Starred. Select any background of your choice from the Preset section to access the Edit Background menu later.
- The Preset option provides you with backgrounds related to Paper, Color, and Gradient.
- You can store all your starred or favorite backgrounds in the Starred section.

In the Edit Background menu, you can Replace File, change Size (with respect to % or slider), and alter Opacity (through % menu or slider). Once convinced, press the Done button to confirm the changes.

- You can scroll down in the same menu to use the Page Range feature. This allows you to apply a background to your chosen pages or a menu for all pages, even pages and odd pages.
- Once done, click Done to create the background and apply it to the specific range selected.

Edit Background
If you wish to edit the background, access the Edit option from the top toolbar. Now, hover on your applied background to reveal the Edit option. Following this, you'll be able to navigate to the Edit Background menu again. Make the changes and click Done to edit it successfully.
Apart from Edit, you can see 2 more options: Star and Remove. Where the Star will save your background in the Starred section, and Remove will delete it.

Remove Background
If you want to remove the background, press the Remove option from the top toolbar. A window will pop up asking you to either remove the background or cancel the action.
