Powered by a neural network, Let's Enhance lets you upload your photos and removes blocky artifacts from JPEGs, boosts resolution 4x times, and keeps edges and features sharp and crisp.
Create line art. Just upload your photo, and Linify will sketch it from thousands of lines. Custom parameters let you affect how your new picture is drawn.
This site contains some beautiful photos of night-time skies around the world. A handy New Moon tool tells you when the next new moon will be, for the best stargazing opportunities.