Use content for non-commercial purposes without having to attribute the author (although giving credit is always appreciated.) Find more licensing information here.
Use the search field to describe the icon you want. It defaults to the .svg file type, but you can also export .png. It allows you to do some basic editing of the icon before you export it.
Login into Canva and choose the design style that best suits your needs. In the left column, choose “Elements” and then “Graphics” from the resulting menu. Next, search for the kind of content you are interested in. Images without the crown icon in the lower right corner are free-to-use.
The easiest way to use photos from Adobe Express is when you are already using it to build the rest of your content. Choose a content type to start with, then choose “Elements” from the toolbar on the left side. Choose from the selections that will appear at the top of the resulting menu. Content without the crown icon in the lower right corner are free-to-use.