10 Facts About PDF [Infographic]

We love lists and hope you love them too! Today we have a list of 10 facts about PDF file format.

The list is complemented with a colorful infographic and we hope you’ll like it.

Certainly, there are so many facts about one of the most popular file formats on the planet, but Gorilla only counts to 10.

Here is a list of 10 interesting facts about PDF.

10 PDF Facts

  1. PDF is an invention of Adobe Systems. It was created in the early 1990s and officially presented in January 1993 at the Windows and OS|2 Conference.
  2. PDF is independent of software and hardware, and can be accessed from every device. PDFs retain their original formatting no matter from which device they are accessed.
  3. The initial project was called The Camelot Project. Later renamed to Carousel.
  4. PDF Files can be optimized for the web. You can add a web friendly filename, define a good title and meta description, add headings to structure your PDF, insert links, include it on a website as a normal page and optimize the PDF file in size.
  5. Acrobat Reader initial cost was $50.
  6. PDF is the most popular file extension on the web. See yourself and try the filetype: operator in Google Search to limit results to a specific file type. For example, filetype:pdf hardware will result with PDF files with the term "hardware" in them. Try the same for several filetypes and compare the number of results.
  7. One of the first early adopters of PDF were the US tax authorities. The service distributed tax forms as PDF files.
  8. PDF supports security. You can add different levels of security and password protect your PDF files.
  9. PDF is ISO standardized 15 years after invention (1993-2008). In 2008, PDF 1.7 (and beyond) by Adobe Systems became ISO 32000:1:2008 standard. A new version was published in July 2017, which is the ISO 32000-2:2017 PDF specification.
  10. PDF can contain links, buttons, form fields, audio, video and business logic.