A file format developed by Adobe in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. Based on the PostScript language, each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, vector graphics, raster images and other information needed to display it. PDF was standardized as ISO 32000 in 2008, and no longer requires any royalties for its implementation.

Wikipedia | ISO standards: Part 1 Part 2 | Adobe-published PDF 1.7 Spec

The PDF combines three technologies:


Tags: format   presentation   language  

Last modified 01 July 2021