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Cannot see "Portable Document Format" under Options > Applications ?
I was regularly using Foxit PDF reader plugin to view pdf files inside Firefox browser before the pdfjs plugin came through. After that I have disabled the pdfjs plugin (through about:config) and tried many ways to get back to viewing pdfs in the browser using the Foxit plugin but nothing works. I have reinstalled Firefox, reinstalled the Foxit pdf plugin.
When I go to Options > Options > Applications, I cannot see the "Portable Document Format" option on the left column. There is Adobe Acrobat Forms and XML and there is "Foxit Reader Document" (presumably PDF) and "Foxit Reader FDF Document" - I want to change those opening actions to Foxit inside Firefox, but there is no such option either - so Firefox can just download the file and then open in the external Foxit reader, but not inside it.
Any help to resolve this is appreciated. FF 21, Win 7.
Opaite Mbohovái (4)
Hello! You can't see the PDF under Options -> Applications because you disabled pdf.js in about:config (I think you set pdfjs.disabled to "true", right?) If you go again to about:config and set pdfjs.disabled to "false" you'll see the PDF option again! To change how you view it just click on the spinner on the right. If you have the Foxit PDF reader plugin installed you'll see that in the list of available applications. More information here: Disable built-in PDF viewer and use another viewer.
And please, don't use about:config to change your preferences, it can be dangerous: it's preferable to change them from Options. Hope it helps!
You can change the action for Portable Document Format (PDF) from Preview in Firefox to use the Adobe Reader or set to Always Ask in "Firefox > Options/Preferences > Applications".
You can set the pdfjs.disabled pref to true on the about:config page to disable the build-in PDF viewer.
You can check the value of the plugin.disable_full_page_plugin_for_types pref on the about:config page and remove the application/pdf part if present or reset the pref to the default via the right-click context menu.
Thanks M_G_A for the good tip, after making pdfjs.disabled to false - I can now see the "Portable Document Format" option. But unfortunately in the actions for it I can only see "Adobe Acrobat(in Firefox)' or "Foxit Reader" as an external. Seems I cannot use Foxit currently to view it inside Firefox itself, even though the Above reader plugin is disabled in FF. I also deleted the Mimetypes.rdf from the profile folder. Now will try to uninstall Adobe, then lets see what happens.
After the above action, I uninstalled both Foxit and Adobe Reader. Then searched for old versions of Abobe reader plugins and deleted it. Installed Foxit. Then in Options > Options > Applications for PDF selected Open using Foxit in FF. Then I copied the npFoxitReaderPlugin.dll file from the Foxit/plugins folder to a new folder in Firefox directory and renamed that folder to "plugins". Now my pdfs open in FF in Foxit. yay !! finally !