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.PDF File Extension

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File TypePortable Document Format File

DeveloperAdobe Systems
Popularity
3.9 (589 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryPage Layout Files
FormatBinary

Binary

This file is saved in a binary format, which requires a specific program to read its contents.

Definition

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.

More Information

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
Microsoft Windows LogoWindows
File Viewer Lite
Adobe Reader
Adobe Acrobat DC
Foxit Reader
Sumatra PDF
Corel WordPerfect X7
Nuance Power PDF Standard
LULU Soda PDF
Solid PDF Tools
Informative Graphics Brava! Reader
Evince
LibreOffice
Icecream PDF Converter
Google Chrome
Web browser
with Adobe Reader plug-in
Mac OS X LogoMac OS
Apple Preview
Adobe Reader
Adobe Acrobat DC
Nuance PDF Converter for Mac 4
Solid PDF to Word
Skim
LibreOffice
Google Chrome
Web browser
with Adobe Reader plug-in
Linux LogoLinux
KPDF
KDE Okular
Evince
PDFedit
LibreOffice
Google Chrome
Web browser
with Adobe Reader plug-in
Web LogoWeb
Google Drive
iOS LogoiOS
GoodReader
Apple iBooks
Quickoffice Pro
Adobe Acrobat Reader
MobiSystems OfficeSuite Pro
Google Drive
Android LogoAndroid
Adobe Reader
Google Play Books
Kingsoft WPS Office for Android
Google Drive
Windows Phone LogoWindows Phone
Adobe Reader for Windows Phone
Updated 8/3/2015