Rated 1 out of 5 stars
The menu appears when you right-click, but nothing happens when you select anything. Hasn't been updated in 2 years, so this add-on is probably dead.
Rated 5 out of 5 stars
Works great on FF36! Only issue i have with it is that it's always visible on the context menu, wished it only showed up when right-clicking on highlighted editable text. Oh, and there also doesn't seem to be a way to apply other formats to previously formatted text (you have to CTRL+Z and try again). But that's just a tiny peeve, not worthy of even an half a star demotion.
Suggestion: wouldn't mind seeing some more options like the ones available on Unitools (unicod.es) - but i'm probably being greedy here...