PDF is short for Portable Document Format, which was a
document format developed by Adobe Systems in 1993.
Its advantages are compatible cross platform, preserve
original layout of the document and free to develop
PDF compatible software. PDF has been controlled by
Adobe for a long time. In 2008, it was officially
released as an open standard and published by the
International Organization for Standardization as ISO
32000-1:2008.

A PDF file format has become portable and compatible
across platforms. As we all know, we can also create
PDF by two methods easily. First one is that you can
scan the paper document and save it in PDF formats.
This is what we call scanned PDF document. Second one
is that you can use the converter tools to create a
PDF files easily. As we all know, there are many
converter tools which enable you to convert MS Office
files and other documents to PDF files. You can also
ensure a PDF documents secure or safe by encrypting

Download (4985 KB) Website Link to this page