Rated 4 out of 5 stars

by LeeToo on ژوئن 12, 2014 ·

Stop working in firefox 30 after update from 29!
Used this for a long time, was good add-on, as it worked - maybe developer update it.

Alternatively you can use internal function about:support - this list also extension.

With button you can than copy text over clipboard to a text-editor.