Free online, watered-down version of Photoshop.
Simple online photo editor.
Use this free website to enlarge image files. It lets you expand an image to print on multiple pages.
"Smarthistory is a leading resource for the study of art and cultural heritage. Our growing collection of videos and essays are designed to be engaging and conversational and cover art that ranges from the paleolithic to the present across Africa, the Americas, Asia, Europe, and Oceania. Everything on Smarthistory is completely free and our content is offered with no advertising. We are a tiny non-profit organization based in New York, but we reach millions of learners around the world."