How to save any file as a PDF

Step-by-step instructions for creating PDFs from any file type, including methods for merging, compressing and password-protecting PDF documents securely.
Techno-Science.net

How to Convert a File to PDF on iOS

When you think of working with documents, one of the formats that instinctively comes to your mind is the Portable Document Format or PDF. Developed by Adobe — the same company that owns one of the ...