Did you know?
PDF software is the system that helps in viewing, making, and merging the files in PDF format. This technology allows users to modify files in PDF format. The PDF software enables you to securely share the content of the file with others. 
You've probably signed documents electronically more than a few times with files that are already prepared for your signature. Companies often use a signature creator and ask you to sign a PDF online. But sometimes you're stuck trying to figure out how to sign a PDF on your own
If you're doing your PDF editing from a computer, check to see if you've got built-in software that can handle the job. Mac users, for example, might not realize how good Preview is at annotating documents and adding signatures to PDFs. You can save a lot of time searching for the best free PDF editor if it's already there right under your nose