URL2PNG - Screenshots as a Service. Capture snapshots of any website, right in your app, quickly and reliably.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Capture by Techulus - The ultimate toolkit for converting HTML to image & PDF. Pay only for what you need.No Subscription.
Thum.io - A real-time website screenshot generator
Screenshot Machine - Screenshot machine is an online website capturing service. Creates a screenshot or thumbnail of any online web page in couple of seconds for free.
Picmaker - Design the Future