Printing a PDF file with a black background or some dark background images will consume too much ink. If you do not have the original document, it is difficult to change the situation. In this case, you can use the 3 PDF software mentioned to make the PDF background white or remove the picture background.
Step 1: Open your PDF file in SwifDoo PDF software. Choose Convert menu and PDF to Word sub-menu;
Step 2: In the SwifDoo Converter, select an output path and hit the Start button to complete converting the PDF to an editable Word file;
Step 3: Open the Word document, click on the background and delete it.