StereogramsHidden 3D pictures, and a generator to hide your own message.
Ambigram generatorA word that reads as another word upside down, or a mirror-symmetric name.
Agamograph makerA folded flip picture that changes as you walk past. Printable.
Optical illusionsTen classic illusions, live, with the truth one click away.
Red/cyan 3D artAny painting in real 3D for red/cyan glasses, with your word floating in front.
Moving 3D artPaintings that shift in depth as you move the mouse or tilt your phone.
Hidden word artA word hidden in a painting that only appears when you squint.
Afterimage illusionStare for 20 seconds and a black-and-white picture turns to colour.
Photomosaic makerRebuild a painting or your photo out of hundreds of tiny pictures.Advertisement
Art that plays with your eyes
Painters have always played tricks on the eye, from Renaissance perspective to Op Art. These tools carry on that tradition with our remakes of public-domain classics: some hide a message, some add real depth, and some fool your brain completely. Each one explains how it works.