To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Rated 5 out of 5 stars
Seems like an useful addon.
However, that button is too large; you might want to try to make it smaller or add a menu in Tools for Screen Capture.