How to change the size of a PDF page?

  1. Open the PDF file with Acrobat DC on Mac.

  2. Go to Tools > Print Production.

  3. Select Preflight from the right pane.

    The Preflight option in the right pane
  4. In the Preflight dialog box, click Select single fixups.

    The Preflight dialog box
  5. Now expand the heading that says "Pages".

  6. Under pages, look for a fixup which says "Scale pages to specified size", and then click the Edit button after highlighting the fixup.

    Select "Scale pages to specific size"
  7. Now enter the page measurements in the Scale pages section:

    • Short edge: Width
    • Long edge: Height
    The Edit fixup dialog box
  8. Now click on OK

  9. Save the file using the Save dialog box.

    Save as the file

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