Tools on the Select & Zoom toolbar can change the magnification of PDF documents. Only some of these tools appear on the default view of the toolbar. You can see all the tools by right-clicking/Control-clicking the Select & Zoom toolbar and choosing either individual tools, Show All Tools, or More Tools and then selecting individual tools.
Resize a page to fit the window
Show a page at actual size
Choose
View > Zoom > Actual Size.
The actual size for a PDF page is typically 100%, but the document may have been set to another magnification level when it was created.
Change the magnification with zoom tools
Do one of the following:Click the Zoom In button
or
the Zoom Out button
in
the toolbar.
Enter a magnification percentage in the Select & Zoom toolbar, either by typing or choosing from the pop-up menu.
Drag the Marquee Zoom tool
to
define the area of the page that you want to fill the document pane.
Drag the Dynamic Zoom tool
up
to increase the magnification and down to decrease magnification.
When the Marquee Zoom tool is selected, you can
Ctrl-click/Option-click or Ctrl-drag/Option-drag to zoom out. Holding
down Shift switches temporarily from the Marquee Zoom tool to the
Dynamic Zoom tool.
Change the magnification by using a page thumbnail
Change the default magnification