Adobe Portable Document Format (.pdf)

This openly-documented binary file format [1] is natively used by Adobe Acrobat and other programs. Use of Acrobat is recommended for viewing / use of data encoded in this format. The technical note at [1] provides a detailed description of the binary format specification.


[1] Adobe Systems, Inc., “PDF Reference, sixth edition: Adobe Portable Document Format version 1.7” (2006). Online:; accessed July 20, 2016