I’m working on a new website. I will need photos for the website. Steps to getting a great screen shot image is as follows. I was able to do a prt+sc and get an image that I could save with Paint. Next step was to crop the image with lunapic. Next, I could compress with toolur to about 30% without loosing what seemed to be any of the quality of the image and without loosing any size in the width or height at all. Once I did those steps I had a nice looking picture with a very small size.
Wikimedia Commons - the Grandaddy of Public Domain pics.
flickr – Great repository.
Pixabay – All images and videos on Pixabay are released free of copyrights under Creative Commons CC0. You may download, modify, distribute, and use them royalty free for anything you like, even in commercial applications. Attribution is not required.
Pexels – The pictures are free for personal and even for commercial use. You can modify, copy and distribute the photos. All without asking for permission or setting a link to the source. So, attribution is not required.
StockSnap.io – No attribution required.
Unsplash – No attribution required, but appreciated.
Burst – No attribution required, but appreciated.
Not Free Images
iStock – Expensive.
Getty Images – very, very epensive.
Shutterstock – costs are discussed here.
Fotolia – costs are discussed here.
Dreamstime – costs are discussed here.
123RF – costs are discussed here.
Bigstock – costs are discussed here.
Depositphotos – costs are discussed here.