PDFs in Chrome


  • On your computer, open Chrome. In the top right corner click on the three dots and select Settings. At the bottom, click Advanced.



  • Under Privacy and security, click Site Settings.



  • Near the bottom click PDF documents.

Ask when a site wants to access USB devices 
PDF documents 
Protected content 


Turn off/on Download PDF files instead of automatically opening them in Chrome.


PDF documents 
Download PDF files instead of automatically opening them in Chrome


PDF's in Firefox


You can use a different PDF viewer instead of the built-in PDF viewer, if you prefer. To change from using the built-in PDF viewer to another PDF viewer:

  • Click the menu button and choose Options (Some Operating systems may have it labeled as Preferences)



Sign into Sync 
Content Blocking 
New Window 
New Private Window 
Restore P Session 
Logins and Passwords 
Open File„. 
Save page 
Find in This pa ge„. 
Web Developer 
O Exit 
m Istnm 
Ctrl* Shift* p 
Ctrl %ift. Q


  • In the General panel, navigate to the Applications section.  Find Portable Document Format (PDF) in the list and click on the entry to select it.


Choose how Firefox handles the files you download from the web or the applications you use 
while browsing. 
Q Search tile types or applications 
Content Type 
Portable Document Format (PDF) 
Always ask 
Always ask 
use Mail (default) 
Preview in Firefox


  • Click on the drop-down arrow in the Action column for the above entry. The Action entry will show Preview in Firefox when you're using the built-in PDF Viewer.
    • To use an external application to view PDF files, select the entry for the PDF application you wish to use, such as Use Adobe Acrobat.


Portable Document Format (PDF) 
Use Mail (default) 
Preview in Firefox 
Always ask 
Save File 
Use Adobe Acrobat (default) 
Use other...