Adobe PDF files—short for portable document format files—are one of the most commonly used file types today. If you've ever downloaded a printable form or document from the Web, such as an IRS tax form, there's a good chance it was a PDF file. Whenever you see a file that ends with .pdf, that means it's a PDF file.
|Standard||PDF/A, PDF/E, PDF/UA, PDF/VT, PDF/X|
This is a project for our team in the university. The purpose of this tool is to do deep research about PDF file structure.