Morph one doodle into another

Pick two things to draw. SketchNN's neural network, running in your browser, draws eight frames that slide from the first to the second, and you can save the motion as a looping GIF to send to someone.

Animated GIF: a doodle of a pig slowly turning into a rabbit and back, with sketchnn.lp-data.cloud/morph written under it — A real GIF saved from the Morph tool: pig → rabbit → pig, 360 × 396 pixels, 36 KB. Replay this morph in the app

Try it

This opens the app, which downloads the model, about 13 MB, on your first visit. It knows 20 things to draw: cat, dog, bird, owl, rabbit, pig, elephant, lion, frog, octopus, snail, whale, penguin, butterfly, flower, sun, face, castle, house, tree.

How it works

One small transformer draws every category, one pen point at a time. Morph gives it the same random choices for all eight frames and slides the category from the first to the second, so each frame is a little further along.
After the morph, press Save animated GIF. Your browser turns the eight drawings already on screen into a GIF that plays there and back, pausing on each end, with this page's address written underneath.
Then download the GIF, or share it straight to an app where your phone or browser allows it. Share link and Save image (all eight frames side by side) are still there.
The model runs on your device, and the GIF is made there too: nothing you draw or save is sent to a server.

Trained on the Quick, Draw! dataset by Google Creative Lab (CC BY 4.0). Runs with ONNX Runtime Web; GIFs are encoded with modern-gif (MIT).

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