Jorge Martinez de Salinas

To merge and/or remove PDF pages we need the sidebar so press the sidebar button (see first figure). You can switch from thumbnails to table of contents from the button located at the bottom right corner (see second figure).

Merge PDFs.

Open the first PDF and then just drag & drop the second PDF to the sidebar, between the pages where you want it to appear (see figure).

Delete a page.

Select the page you want to delete (in the sidebar) and type Command (The key with an apple) + Backspace.

Add a blank page.

Select Edit -> Insert Blank Page.

Crop an image or file.

First click the select tool. Then select an area of your document or image and hit Command + k.

Now you can save the cropped page or image with Command + s.

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