Adobe does not yet maintain a plugin for viewing PDF files within Firefox for computers with Mac OS X. To view PDFs in Firefox:

• If you have a Mac with a PowerPC processor, the Schubert|it PDF Browser Plugin can be used to view PDF files in Firefox.
• If you have a Mac with an Intel processor, the Firefox PDF Plugin extension can be used to view PDF files in Firefox.

Only the first page is visible

If PDF documents open within Firefox but only the first page is viewable, make sure that the QuickTime plugin isn't set to handle PDF content:

1. From the Apple menu, choose System Preferences.
2. From the View menu, choose QuickTime.
3. Click the Plug-In tab and click MIME settings....
4. In the list of MIME types, click the triangle next to "Images - Still image files".
5. If "PDF Image" is checked, click the check box to clear it.
6. Click OK

The Adobe Reader plugin can be used to display PDF file inside the Firefox browser window. If there is a problem with the plugin, it may become impossible to do this. When you try to view a PDF, Firefox may try to download it instead.

For more information on the Adobe Reader plugin, see Using the Adobe Reader plugin with Firefox.

Taula de continguts

• Only the first page is visible
• Check Firefox settings
• Reset download actions
• Check Adobe Reader settings
• Re-install the plugin
• Re-initialize the plugins database
• Re-install Adobe Reader
• Further information

Check Firefox settings

1. At the top of the Firefox windowOn the menu bar, click on the ToolsFirefoxEdit menu, and select Options...Preferences....
2. Select the Applications panel.
3. Find Adobe Acrobat Document in the list and click on it to select it.
4. Click on the drop-down arrow in the Action column for the Adobe Acrobat Document entry and select Use Adobe Acrobat (in Firefox).
   
   
   
   • If Use Adobe Acrobat (in Firefox) is not listed as an Option, see Reset download actions below and then repeat this set of instructions.
5. Click OK to close the Options windowClick Close to close the Preferences windowClose the Preferences window

Now try to view a PDF in Firefox. If it opens in the browser window, the problem is solved. If not, continue with the following instructions.

Reset download actions

1. Open your profile folder:
   • (Firefox 3.0 and 3.5): See How to find your profile
   1. (Firefox 3.6): At the top of the Firefox windowOn the menu bar, click on the Help menu and select Troubleshooting Information.... The Troubleshooting Information tab will open.
   2. Under Application Basics, click on Open Containing FolderShow in Finder.
2. From the menu at the top of the Firefox windowbar, select FileFirefox and then select the ExitQuit FirefoxQuit menu item.
3. Delete the mimetypes.rdf file.

Check Adobe Reader settings

1. Open Adobe Reader.
2. Once in Adobe Reader, click the Edit menu in the menu bar, and then click Preferences... The Preferences window will open.
3. In the Categories section, click on Internet.
4. Make sure the first check box, Display PDF in browser, is checked.
5. Click OK to dismiss the Preferences window, and then close Adobe Reader.

Now try to view a PDF. If it opens in the browser window, the problem is solved. If not, continue with the next troubleshooting instructions.

Re-initialize the plugins database

Follow the instructions in the Re-initializing the plugins database section of the Troubleshooting plugins article.

This will force Firefox to rebuild its plugin database. Now try to view a PDF in Firefox. If it opens in the browser window, the problem is solved.

Re-install Adobe Reader

If the above troubleshooting methods for Firefox did not work, uninstall and re-install Adobe Reader:

• See Adobe's instructions for uninstalling (Reader versions 8 and above). You should also uninstall any other versions of Reader that are installed.
• Install the latest version of Adobe Reader from Adobe's download page.

Further information

If none of the above troubleshooting methods worked, see Adobe's troubleshooting page for further instructions.