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.PDF File Extension

NEW: Open .PDF files for FREE with File Viewer

Portable Document Format File Icon
File TypePortable Document Format File
DeveloperAdobe Systems
Popularity
3.9 (266 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryPage Layout Files
File Format Description

Cross-platform document created by Adobe Acrobat or a program with the Acrobat plug-in; commonly used for e-mail attachments or for saving publications in a standard format for viewing on multiple computers; usually created from another document instead of from scratch; can be edited with Adobe Acrobat, a commercial program.

PDF files can be opened and viewed using the free Adobe Reader or the Adobe Reader plug-in, which is available for most Web browsers. Google, Bing, and other search engines now index PDF documents, so the Adobe Reader plug-in is commonly used when viewing search engine results. Some browsers, such as Google Chrome, provide native support for PDF viewing without the Adobe Reader plug-in. Also, Firefox can view PDF files with the PDF.js extension.

PDF files may contain text, images, forms, annotations, outlines, and other data. They preserve fonts and formatting electronically across multiple platforms and appear the same on the screen as they will when printed on paper.

View the PDF definition for more information.

NOTE: PDFs can be created in Mac OS X by selecting "Print..." from an application's File menu. Then instead of clicking "Print," choose "Save as PDF" from the PDF drop-down menu in the lower-left corner of the window.

Program(s) that open .PDF files
Android Logo
Android
Adobe Reader for Android Icon Adobe ReaderExternal Link
Windows Phone Logo
Windows Phone
Adobe Reader for Windows Phone Icon Adobe Reader for Windows Phone
Updated 10/6/2014