(Alternatively, open the Downloads Library window.) Open the Downloads panel by clicking the download icon next to the address bar.When Firefox is set as the default PDF viewer and you download a PDF file in Firefox and save it to your computer, you can use a different application to view those PDF files by following these steps: Use a different PDF viewer for downloaded PDF files

When you're viewing a PDF file in Firefox, you can use the download button in the PDF viewer's toolbar to download and save the PDF file to your computer. The built-in PDF viewer will open the PDF file in Firefox without saving it.

(To learn more about the built-in viewer, see Using Firefox's built-in PDF viewer, below.) 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. The built-in viewer is used when Portable Document Format (PDF) files are set to Open in Firefox in your Firefox settings for different types of files. 3.5 Troubleshoot problems with the PDF viewerįirefox's built-in PDF viewer allows you to view almost all PDF files found on the web without an external application (exceptions to this are PDF files with a MIME type incorrectly set).2.2 Set Firefox to ask you what to do with PDF files.2.1 Disable the built-in PDF viewer and use another viewer.2 Choose another PDF viewer to use by default or set Firefox to always ask.1.1 Use a different PDF viewer for downloaded PDF files.If you ever want to revert back to using macOS Preview for opening PDFs, you simply repeat the process but select Preview from the list of applications instead of Adobe Reader. Click on Change All to ensure that Adobe Reader is the default tool to open PDFs on your Mac.įrom now on, macOS will use Adobe Reader as the default application to open and edit PDFs.In the Get Info dialog box that appears, click on the drop down menu for Open With and select Adobe Acrobat Reader from the list of applications available.Select Get Info from the drop down list of options that appears:

Select any PDF file on your Mac and CTRL-click on it.However, even if you’ve already got Adobe Acrobat on your Mac, it may not be set as your default app to open PDFs in macOS Big Sur or Monterey.īy default, macOS uses Preview to open PDFs but you can easily change this in just a few clicks.įollow these instructions to set Adobe Acrobat as the default PDF application on a Mac. Since Adobe invented the PDF format, it’s no surprise that Adobe Acrobat is by far the best PDF software for Mac and it makes sense to use it as your default PDF tool in macOS. Here we show you how to make Adobe Acrobat the default app to open PDFs on a Mac. Although you can use Preview in macOS to open PDFs for free, you can’t edit PDFs on a Mac with it.

Mac pdf viewer default