Blobs of glass at your command

Hide a photo in a field of parallel lines, then squint to see it reappear

Turn PNG, WebP, TIFF and other images into JPEGs, cropped and resized alike, one at a time or a whole folder into a ZIP

Five, six or seven lettered balls tumble out of a bingo drum: spell every word hidden in them to fill the card, and shout house when one word uses every ball

Draw Celtic knots freehand: strokes become woven ribbons, and a tap on a crossing flips which strand passes over

Flick marbles into the rings and knock your rivals into the hole, watched over by some very opinionated cats. For up to four players and computer opponents around one screen

Drop inks onto a virtual marbling bath and comb them into swirling Florentine patterns

Feed in any text and dial up the gibberish index to generate new phrases in the same style

Open an SVG and weave it: wherever closed shapes overlap, a click cycles which one passes over the top

Print and fold lenticular pictures that change as the observer moves

Quantise a photo to black and white and trace it into a vector drawing, downloadable as SVG or PDF