If you need to edit a PDF document but don’t have Adobe Acrobat or another PDF editor installed, there are a few free and easy ways to do it. Here’s how to Photoshop a PDF document:

  1. Open the PDF file in Photoshop.
  2. Click the “File” menu and select “Save As.”
  3. In the Save As dialog box, type “PDF” in the Name field and click OK.
  4. In the Photoshop window, click on the “Image” tab and select “Image Size.”
  5. In the Image Size dialog box, set the Width field to your desired width and set the Height field to your desired height.
  6. Click on the “Compression” button and select “JPEG.”
  7. Click on OK in both of the Image Size dialog boxes and then save your edited PDF file by clicking on File > Save (or press Command-S). ..