Open PDF

Open PDF 1.3

No permission to buy ($35.00)
Compatible XF 2.x versions
  1. 2.0
  2. 2.1
  3. 2.2
Premium upgrade:

This XF2 add-on along with the entire collection can be purchased for $35.00 USD. Your Premium upgrade will allow you to download as many XF2 add-ons as you like for one year. Please see the entire collection located in the Resources area at this URL:


Opens PDF attachments in the browser.

By default XenForo requires PDF attachments to be downloaded before you can view them. This add-on changes this default behavior so that PDF attachments open directly in the browser when they are clicked.

(Example of PDF attachment)


Questions and Answers:

Q: The add-on opens the PDF in Firefox and Safari, but not in Chrome.
A: After clicking the PDF attachment, the task bar at the bottom of the browser will show a tab, click the arrow and select Always Open In System Viewer.
First release
Last update
5.00 star(s) 1 ratings

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Latest updates

  1. See description

    Open PDF v1.3 changes: Removed unneeded code from PHP file.
  2. See description

    Open PDF v1.2 changes: Now properly extending XenForo class proxy.
  3. See description

    Open PDF v1.1 changes: Updated PHP code to include missing error 304 condition.

Latest reviews

This is fantastic, especially since most of our users are mobile and downloading pdfs to their phone and finding them to open is technically challenging for some.