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Zoom in & out on a PDF page
Nitro PDF Professional includes tools for zooming in and out on the page, as well as zooming to preset magnification levels and other page fitting settings. You can view the pages in your PDF files at any magnification level between 12.5% and 1600%.
Zoom In/Out
These tools allow you to zoom in and out to particular magnification levels. Just click on the area of the page you want to move in or out from.

To use the Zoom In/Out tool:
- Do one of the following:
- On any ribbon tab, in the Tools group, select the Zoom In
or Zoom Out
tool.
- Right-click on the page and click the Zoom In or Zoom Out option.
- On the page, click where you want to zoom in or out.
To switch between Zoom In and Zoom out:
- When either zoom tool is selected, hold down CTRL and click on the page to do the opposite kind of zooming.
Preset zoom levels
The preset zoom values let you quickly switch to the most commonly used magnification levels. These include presets for 25%, 50%, 75%, 100%, 125%, 150%, 200%, 400%, 800%, and 1600%.
To use the Zoom In/Out tool:
- Do one of the following:
- If Zoom In or Zoom Out is already selected, then right-click and select the magnification level to move to.
- On the ribbon tab, in the Tools group, click the arrow beneath the Zoom tool and click the magnification level to move to.
Custom zoom level
If you need to you can always zoom to an exact magnification level.
To zoom to an exact magnification level:
- In the bottom right corner of the Nitro PDF Professional window, click on the magnification percentage value.
- In the list, click Zoom to.
- Enter the magnification level.
- Click OK.
Zoom slider
The slider is permanently visible in the bottom-right corner of the Nitro PDF Professional window and it gives you a quick and easy way to move in and out on the page.

Fixed page views
Has three commonly used pages views. Actual Size displays the page at its real size, or 100% zoom level. Fit Width makes the width of the page fill the width of the Document pane. Fit Page makes the whole page fit within the Document pane area, forcing both the page width and height within the area.
To change the Page Display mode:
- Do one of the following:
- On the View tab, in the Make Page group, click the magnification to use.
- In the bottom corner of the Nitro PDF Professional window, click the Make Page Zoom Level
button, and then click the magnification to use.