How to reduce the PDF page size:

  1. Open your original PDF file in Adobe Acrobat Professional 6.0 or above.
  2. Choose File > Print.
  3. Choose Adobe PDF in the Printer Name box:
  4. Click on Advanced:
  5. Click on Advanced and then select 300 dpi, and then click on OK
  6. Click on OK again: (Click off “Auto-Rotate and Center” to keep the same layout.)  
  7. Save the resized PDF file: