While reading or printing a PDF file, you will find that the file dose not always fits well. For example, the page margins are too small or large, the content is displayed offsetting from the center of the page, and some part of the content is missing on one side of the paper. This time you need to adjust the PDF page size and its content placement to meet your requirement, which may also be called "Scale PDF file" in some application. On the base of this thorny trouble, you are allowed to download http://www.verypdf.com/pdfinfoeditor/advanced_pdf_tools_cmd.zip here, a zipped package with little occupancy, after release them you can set page scale of your pdf files as you wish. The process is clear, in a effort to assist you, the VeryPDF.com posted several pictures below.
to execute this function, you need to launch the MS-DOS command prompt window, step as follows:
And then input cmd to the propped up box
Next, you will get the following box
Finally, you just type the size to set the page scale
In order to read easily, the VeryPDF.com posted text here, it goes that
The option -z is to set the page size by page scale
pdftools -i "C:\input.pdf" -o "C:\output.pdf" -z "50 120"
Means set page width to 50% of primary page width, and page height to 120% of primary page height.
See how the pages change, the VeryPDF.com made a comparison here
You can input the number at your will to set the page scale by using.