Set Preferences on Mac

UPDF lets you set the preferences for UPDF. You can set your preferences according to your need. It offers the following selections:

General Preferences
View Preferences
Commenting Preferences
Plugin Preferences

To open the preferences settings, click on the "UPDF" from the menu and select "Preferences", or you can press "⌘ ," to open the preferences settings.

General Preferences

In the General tab, you'll find the following settings:

Set UPDF as your default app to open all PDFs: This button can set UPDF as your default app. If you open this feature, the default app to open PDFs is UPDF.
Show Menu Bar Extras: You can enable or disable the quick PDF creation feature on the Mac screen.
Quit UPDF when all windows are closed: This option is disabled by default. Enabling this feature will end the application if you close all the PDF windows in UPDF.
Align elements automatically: You can enable or disable a switch in elements auto-alignment by long pressing the "Option" key shortcut.
Application Language: You can change the application language of UPDF. It can support more than 10 languages. When you select the language which you want to change, restart the application and then the language will change.

Show Menu Bar Extras in Options settings enables the extra features on the menu bar right above your Mac's screen. It includes the following features:

Blank Page: This option can help you create a blank PDF document and open it with UPDF.
PDF from Selection Capture: This option will help you create a PDF from Selection Capture and open it with UPDF.
PDF from Window Capture: This option will help you create a PDF from Window Capture and open it with UPDF.
PDF from Screen Capture: This option will help you create a PDF from Screen Capture and open it with UPDF.

This option is enabled by default, and if you want to disable it, uncheck it to disable the extra menu bar feature.

View Preferences

The View preferences allow you to customize your viewing/reading experience. In the View tab, you can set the default page layout, default page zoom, default left panel, and default mode.

Default Page Layout

UPDF offers four types of Page Layout (Single Page View, Single Page Scrolling, Two Page View, Two Page Scrolling). Choose any of these modes to set the default page layout. All of your PDF documents will be displayed as per your selected view.

Note: Just below the thumbnails of Default Page Layout, there's an option "Show Cover Page in Two Page View". By checking this box, it'll show the cover page of your PDF document when you use "Two Page View."

Default Page Zoom

The "Default Page Zoom" option allows you to set the default page zoom. You can choose the page zoom by percentage or by height, width, or page fit (Actual Size, Fit Width, Fit Height, Fit Page, 50%, 75%, 100%, 125%, 150%, 200%, 300%, 500%).

Default Left Panel

You can also adjust the Default Left Panel according to your preferences. The Default Left Panel offers three choices:

Hide Sidebar: By selecting this option, you can hide the Thumbnails and Bookmarks panels by default.
Show Thumbnails: By enabling this option, the Thumbnails will be visible to the left panel by default.
Show Bookmarks: It'll only show the Bookmarks to the left panel by default.

Default Mode

Default Mode contains three options: Reader mode, Comment mode, and Edit Text & Images mode. It will enter into the corresponding modes you selected when you open a PDF by default.

Commenting Preferences

Commenting Toolbar Setting

In the Commenting > Toolbar section, you can set the preferences for continuously commenting. You can decide whether you keep the comment tool selected for continuously commenting or not.

Keep the comment tools selected: Select this option to enable the feature of adding comments continuously.
Don't keep the comment tools selected: Selecting this option means that you don't want to add comments continuously. You can single-click on the comment tool to add once, or double-click to keep comment tools selected.