This file type was invented by Dr. John Warnock, the co-founder of Adobe, in The PDF format we know today began under the name The Camelot Project. It was developed by Adobe in and has since become one of the most widely used formats for saving and exchanging documents What Does PDF Stand For? PDF stands for Portable Document Format. PDF was /standard /html. The file format was created by Adobe and is meant to display documents in a standard form regardless of the software, hardware, or operatin