Increase the speed by clicking on ‐+‐. Click Save to change the file type. To compress a file in this way: In the file menu, click tools» reduce”. Select which items are to be reduced and press the left mouse button. You can choose: Images only images and links Note: You can convert all files to JPEG only. Tip: Click the down arrow icon near the image until the image appears in the main window, then click the button to open and then open the image file in Inkscape or any other image editor. Nuance Power PDF is a powerful PDF generator — Compress Images.