Screengrab! 2.2 Rated 5 out of 5 stars

I tested it with Firefox 56.0 32-bit and Screengrab! works very well. Thanks Oleksandr and peace in your country.

Edit on Oct. 01:

I can't Save Complete Page / Frame on this site:

http://weather.gc.ca/city/pages/on-143_metric_e.html

Later on Oct. 01:

The problem is NoScript 5.1.1. Thanks Oleksandr.

This review is for a previous version of the add-on (2.2).