Open PDF File

Information, tips and instructions

Open PDF File

PDF is short for "Portable Document Format" which was created by Adobe Systems in 1993 to facilitate document exchange. After creation of the internet this format experienced significant growth and became de-facto standard for document exchange on the internet. One of the great advantages of PDF is that its rendering on the PC screen looks exactly the same way it would look on a paper if you print it.

PDF is probably one of the most common document file you can find on the internet after HTML. Lots of government forms and applications are stored in this format.

Many modern electronic readers like Amazon Kindle and Sony Reader support PDF as one of primary file formats to store ebooks. That is why it is very important to know how to open PDF file.

    • You can download Adobe Acrobat Reader which is a provided for free by Adobe.
    • If you already have it downloaded but when you double click on PDF files it doesn't open then there is a good chance you have a problem with association of file extension PDF with Adobe Reader program. To verify if you have this problem you need to run registry scan tool.

On this site we tried to aggregate as much knowledge as possible on what is PDF file, how you can open PDF file, what are the ways to create it and what tools are available on the market which can deal with PDF files.

Below is an example of PDF file internals in human readable form.

File types similar to PDF

File types listed below are similar to PDF since all of them were designed to store textual print-ready content.
    • DOC file - Microsoft Word document
    • DOCX file - Microsoft Word 12 document
    • ODT file - Open Document format file
    • XPS file - XML Paper Specification - alternative to PDF from Microsoft

Get more information about how to open PDF file.

If you are not able to open file with certain file extension make sure to check if extension for the file is correct. It is possible that information in the file doesn't match file extension.


More Information on how to open PDF file:
Open PDF File PDF File Format Creating PDF files PDF Tools

Extension Details
  Portable Document Format
Identifying Characters
   Hex: 25 50 44 46 2D 31 2E 
   ASCII: %PDF-1.
Opens with
  Acrobat Reader
  Sumatra PDF
  Foxit Reader
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