FreePDF: The Hide objects feature is not included in FreePDF.
You can temporarily hide objects to make it easier to edit the layout.
Hiding objects
| 1. | Use the Object tool  from the Quick access toolbar, and select one or more objects that you want to hide. |
| 2. | Choose the ribbon command Format | group Objects | Hide  . |
Showing objects again
| 1. | Select the Object tool and point to any object or text box so that the additional ribbon tab Format appears. |
| 2. | Choose the ribbon command Format | group Objects | Hide , but click on the arrow of the icon to display its menu rather than on the icon itself. Select Show all here. |
Alternatively, you will also find the command by right-clicking to open the context menu and then selecting Show All there. You can also simply press the shortcut key Shift+F12.
Notes
▪Hidden objects will become visible the next time you open the PDF.
▪Hiding objects in FlexiPDF has no effect in other PDF viewers.