How to enable spell check in Firefox text forms
September 13th, 2007 by Ross McKillop |
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This brief tutorial will show you how to enable spell check in web page forms (text input fields) in Firefox.

- Start by entering about:config in the Firefox address bar (without the http://)
- In the Filter: field, enter layout.spellcheck to bring up the layout.spellcheckDefault preference.

- Double-click that entry and change the integer value from 1 to 2 and click OK.
- Open a new browser window or tab (or refresh an existing one) and test it out.


















4 Responses to “How to enable spell check in Firefox text forms”
By cw on Sep 13, 2007 | Reply
This is great–thank you!
Can anyone tell me how to delete words in the spellcheck dictionary that have been accidentally added?
Awesome site–I visit every day.
Thanks!
By Ross McKillop on Sep 13, 2007 | Reply
cw -
Lifehacker has you covered -
http://lifehacker.com/software/dictionary/remove-misspelled-words-from-your-firefox-dictionary-244497.php
If you’re an OS X user, persdict.dat is in:
/Library/Application Support/Firefox/Profiles/xxxxxxxx.default/persdict.dat
By What is Firefox? on Nov 9, 2007 | Reply
If you don’t want to enable it globally, you can just right-click a text field and have Fx spellcheck it.
By dinu on Jun 20, 2008 | Reply
Thanks a lot !!! It worked