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How can I use Mac OS X's spelling correction with Firefox?

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I use Mac OS X 10.9 (the new one, Mavericks), with Firefox 24.

On the Mac, in System Preferences > keyboard, you can create a list of words to auto-correct. Actually, it's great - if you have an iPhone, the list syncs there.

The list is available to all apps, but I just can't get Firefox to use it. Loads of the shortcuts are essential for me these days. I have a 2-letter code for my email address, for example.

In Safari, all these shortcuts work. But FF simply won't allow them. None of them.

I figured that if I unticked 'check my spelling as I type' in FF preferences, it would use the Mac OS X spell checker (and thus use my auto-corrections).

But it just doesn't work.

There's a similar question in the Mozilla archive, but it was resolved by someone saying they used an add-on. That can't be right can it? Surely I don't need to *add* code to FF to make it simply use an OS-wide feature?

I'd really appreciate some help here - FF is the only app that I have trouble with here, and as Mac OS X and iOS become more integrated, I'm using these features more. I really want FF to let me use the Mac's built in auto-correct and dictionary! If it's one of my add-ons causing it, I'm happy to disable whichever one it is :)

I use Mac OS X 10.9 (the new one, Mavericks), with Firefox 24. On the Mac, in System Preferences > keyboard, you can create a list of words to auto-correct. Actually, it's great - if you have an iPhone, the list syncs there. The list is available to all apps, but I just can't get Firefox to use it. Loads of the shortcuts are essential for me these days. I have a 2-letter code for my email address, for example. In Safari, all these shortcuts work. But FF simply won't allow them. None of them. I figured that if I unticked 'check my spelling as I type' in FF preferences, it would use the Mac OS X spell checker (and thus use my auto-corrections). But it just doesn't work. There's a similar question in the Mozilla archive, but it was resolved by someone saying they used an add-on. That can't be right can it? Surely I don't need to *add* code to FF to make it simply use an OS-wide feature? I'd really appreciate some help here - FF is the only app that I have trouble with here, and as Mac OS X and iOS become more integrated, I'm using these features more. I really want FF to let me use the Mac's built in auto-correct and dictionary! If it's one of my add-ons causing it, I'm happy to disable whichever one it is :)

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Do you have a dictionary installed and selected?

You can see which dictionary is selected if you right-click in a text area and open the Languages submenu.

At least one dictionary should be installed and have a check mark to indicate that it is selected.

  • Open the "Add Dictionaries" link to install a dictionary if you do not have one.
  • Make sure that [X] "Check Spelling" in the right-click context menu is check-marked.

You can enable or disable spell checking globally:

  • FIREFOX > Preferences > Advanced : General: Browsing: "Check my spelling as I type"
  • Firefox > Preferences > Content > Languages

You can look here for dictionaries:

For more