Web Screenshot is a free tool that offers you to capture beautiful and high-quality screenshot images of any web page on the internet. It also offers to capture Twitter tweets that are publicly visible.
This tool will not be able to capture any pages that required login or any kind of security validation. Also if any website has Dynamic content such as GoogleMaps, Youtube Or Flash content then it might be not able to give you the best result.
You can choose your interested media device from option or can set custom media size and also can choose the image quality if you need high-resolution images for your work.
This tool is using puppeteer package for generating the screenshot.