Excellent addon. It even works on the page that has an internal scrolling function, which won't be captured by firefox's built-in full-page screenshot.

this app very good for SShot

很好，但是有时候分辨率不是很高，不是很清楚；另外，如果大长截图会有问题，部分不显示。普通使用很好。

A very good tool, easy to use and fast..; I wouldn't do without it..!

I have used FireShot for a number of years, and it has saved me a lot of time and effort in capturing website pages to be shared for research and review purposes.

This is the best add-on in this category.
Free, Stable, Simple and Intuitive.
I Use it and recommend it.
Even consider going Pro/Payed version to support developers.

I tried a few apps of this kind, this one is the best. It works perfectly, never had a problem and has tons of useful export configuration options.