You are certainly allowed to adjust page content because the pdf reader has already pre-set for you. But when you meet with some fixed page content, for example, scaling page content to 60% of the page width and 70% of the page height, or even strict ones, how could you achieve it? The VeryPDF.com offers you an easy way to scale pdf page content using Advanced PDF Tools Command Line, with which you are free to scale pdf page content. The procedures go below:
First, follow this link you will obtain this useful tool
https://www.verypdf.com/pdfinfoeditor/advanced_pdf_tools_cmd.zip.
do remember to extract it, for it is a zipped package.
Second, launch the MS-DOS command prompt window
steps are as follows:
start the dialog box of “cmd.exe”: press “start”>choose “Run”>input “cmd”>press “ok”
when the following appearing, you will have the MS-DOS command prompt window
Third, input the command to edit pdf page content
pdftools -i "C:\input.pdf" -o "C:\output.pdf" -j "60% 70% true"
where –j is to specify set page content, "60% 70% true" the first parameter means to set page content to 60% of the page width and the second parameter to 70% of the page height, and the third parameter is a Boolean type value to set whether to center on page.
once the input is finished, press “enter”, you are allowed to see
Fourth, open the file to check, screenshots again
the sharp contrast shows you succeeded in scaling page content to 60% of the page width and 70% of the page height and the page content has been centered.