💻 Computer Science
Data Formats
The Portable Document Format (short PDF) exists in different variants. The following table is intended to provide information about the properties of the different variants:
| Norms | Versions | Release Year | Characteristics | Real Life Examples |
|---|---|---|---|---|
| 1.7, 2.0 | 2008 - 2020 | no standard | all | |
| PDF/A | A-1, A-2, A-3 | 2005 - 2012 | for long archiving, strongly limited by the functions, no external resources | archive, Long-term documents |
| PDF/E | E | 2008 | interactive 3D-representation | Architects, engineers, construction drawings, ... |
| PDF/H | H | 2008 | used in health care | Health Care |
| PDF/X | X-1a, X-2, X-1a, X-3, X-4, X-5 | 2001 - 2008 | suitable for printing, correct color reproduction in CYMK color model | Artwork, layouts and graphics |
| PDF/UA | UA | 2008 | Accessibility, access for assistive technologies | Accessible documents |
| PDF/VT | VT | 2010 | ICC color management, related to PDF/X, obtaining color profiles | Artwork, layouts and graphics |