Add, delete, or move PDF pages in Preview on Mac

Add a page to a PDF: Select the page you want to appear before the new page, choose Edit > Insert, then choose Page from File or Blank Page.

The new page is inserted after the current page.

Tip: To add new pages, you can also choose View > Thumbnails, click the Add button at the bottom of the sidebar, then choose Insert from File or Insert Blank Page.

Delete a page from a PDF: Choose View > Thumbnails or View > Contact Sheet, select the page or pages to delete, then press the Delete key on your keyboard (or choose Edit > Delete).

When you delete a page from a PDF, all the annotations on the page are removed as well.

Move pages in a PDF: Choose View > Thumbnails or View > Contact Sheet, then drag the pages to their new location.

Copy a page from one PDF to another: In each PDF, choose View > Thumbnails or View > Contact Sheet, then drag thumbnail images from one PDF to the other.