Home Firefox Manage preferences and add-ons Change what Firefox does when you For help with download problems, see What to do if you can't download or save files. For help with embedded media on web pages, see Fix common audio and video issues. For help changing the e-mail program that Firefox uses, see Change the program used to open email links. Table of Contents 1 Download actions 2 Changing download actions 3 Adding download actions 4 Resetting download actions for all content types. Note: Firefox will not be able to properly handle a file download if a misconfigured web server sends it with an incorrect Content type.
For example, Firefox may display the content as plain text instead of opening the file in an application or asking you what to do. You can contact the website in such cases or you can try a Firefox add-on such as Content-Type Fixer to work around the problem.
If you decide to use an add-on and you need help with it, you should visit the add-on site or contact the add-on developer directly for support. Multiple entries for the same file format or extension? Some file types can include more than one Internet Media type. Warning: Do not choose Firefox as a helper application to always open the file type, as this can cause a problem where Firefox repeatedly opens empty tabs or windows after you click on a link. This built-in PDF viewer is enabled by default.
When you click on a link to a PDF file or open it from the Firefox Downloads panel , it will be rendered with the built-in pdf viewer. To open a PDF file you downloaded in Firefox using another viewer:. To switch from using the built-in PDF viewer to another viewer:. In the Menu bar at the top of the screen, click Firefox and select Preferences. Click the menu button and select Options Preferences. Click the menu button and select Settings.
The viewer has a download button along the top that should give you a clean PDF file. If you want to bypass the viewer in all cases, you can change your setting on the Preferences page. This article will get you to that setting so you can download more directly: View PDF files in Firefox or choose another viewer.
Sometimes websites do not send a. You may need to rename a downloaded file with a. Search Support Search.
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