QuickJava

If you're looking for an effective Firefox plugin that will allow you to easily enable or disable Java and Javascript from the toolbar, then QuickJava is the perfect option for you! With this program, you can easily toggle the state of Java and Javascript with the use of the two icons that are conveniently placed in the toolbar.

Simply click on either icon to enable or disable the language, and if you want to update both icons at once, simply right-click on either icon to make the necessary changes.

Overall, QuickJava is a reliable and efficient Firefox plugin that is a must-have for anyone who wants to quickly and easily enable or disable Java and Javascript from their browser.