Spell-check web pages in Firefox

I must write about this as I badly needed a Firefox extension to spell check active web page. However, I couldn’t find one as I was using the latest Firefox version and the extensions did not support the latest version.

Thanks to Alex for the tip. To spell check the current web page, just paste the following line in your browser’s address bar and hit Enter key. That’s it. You will see the magic.

javascript:document.body.contentEditable='true'; document.designMode='on'; void 0

If you are going to use this feature often, just create a bookmark with the above line as the URL.