https://addons.mozilla.org/en-US/firefox/addon/xinha-here/
Xinha Here! 0.17
by Hypercubed
Portable WYSIWYG editor! No matter what site you’re visiting you can launch a WYSIWYG right in your browser.
Thanks for the link. I’ve added it, re-booted Firefox, and I can’t find it. How do you activate it? My add-ons link show’s it’s operating...
Oh, OK, I see it only opens when in a posting window. What threw me off, is it claims to be available on any web page.