How to Increase PDF Size on Your Own — Wonder share PDF element Step 1. Open the PDF for Increasing Size · Step 2. Launch the page panel and choose the size/scale. Then, click on the “File” > “Print” button. Please note the size must be the same as the scale on this page. How to Increase PDF Size in Acrobat — Wonder share PDF element Save the PDF file under an existing folder. Then, copy it, right-click and choose View Page Contents > Page Size. How to Increase PDF Size (Easier) — PDF Editor In Adobe Acrobat (PDF Viewer) click on PDF > PDF Options, choose Page Size, change the scaling (both aspect ratio and page dimension). How to Increase PDF Size in Google Docs — Wonder share PDF element Click Tools > Page Size > Scale Page and copy to new folder.