Spell check <- drag this bookmerklet to your bookmarks toolbar. Once you've clicked the bookmarklet, Firefox will turn on the spellchecker for the page you're currently on. All the words that are either misspelled or absent from the Firefox dictionary will be highlighted in red. And you can right-click on a word to see suggested spellings or even to "correct" it. Of course, any changes you make won't actually be saved to the web page, and the next time you load the page they'll be gone.
Spell Checking Firefox Bookmarklet
Spell check <- drag this bookmerklet to your bookmarks toolbar. Once you've clicked the bookmarklet, Firefox will turn on the spellchecker for the page you're currently on. All the words that are either misspelled or absent from the Firefox dictionary will be highlighted in red. And you can right-click on a word to see suggested spellings or even to "correct" it. Of course, any changes you make won't actually be saved to the web page, and the next time you load the page they'll be gone.