How to enable spell check in Firefox text forms

by Ross McKillop on September 13, 2007

This brief tutorial will show you how to enable spell check in web page forms (text input fields) in Firefox.

enable spell check in firefox forms

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.

enable spell-check in firefox forms

Open a new browser window or tab (or refresh an existing one) and test it out.

enable spellcheck in firefox forms

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{ 4 comments… read them below or add one }

1 cw 09.13.07 at 9:59 am: 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!
2 Ross McKillop 09.13.07 at 10:14 am: 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
3 What is Firefox? 11.09.07 at 6:19 am: If you don’t want to enable it globally, you can just right-click a text field and have Fx spellcheck it.
4 dinu 06.20.08 at 7:00 am: Thanks a lot !!! It worked

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