Screenshot Pimp

Screenshot racing is a good screen sensor for Mozilla Firefox that will take screenshots of your web browser windows to see.

It offers different ways of screenshots and different sizes, among which one can be quite useful which lets you save pictures of the entire website which you can scroll down to visit.

Then, select the format for the photo: JPG or PNG.

In the end, it provides the possibility to download videos from YouTube and similar websites. You just need to click on the system tray and wait for a few seconds

If you use Firefox and you usually have to take a screenshot of the website, then the screenshot couple might be helpful. Simple but helpful, exactly what you need with no extra features.