How to Change the Font Size in a PDF Form Field. Portable Document Format, or PDF, documents allow users with different operating systems, fonts and programs to view a file.

How to Change Scale Ratio in PDF. The Portable Document Format is a common file conversion format. The advantage to using the PDF format is that you do not need the source program with which the ...

Mozilla's latest version of Firefox conveniently includes a built-in PDF viewer. If you prefer your own PDF viewer, here's how to change it.

You can reduce PDF size on a Mac with the Preview app or a third-party compressor. Reducing PDF file size on your Mac computer can help save storage space. Third-party options may cost money ...