qrcode-artistic is great, especially the animated ones. It's a different technique though: it composites an image behind a standard QR. Here the picture is enco

qrcode-artistic is great, especially the animated ones. It's a different technique though: it composites an image behind a standard QR. Here the picture is encoded into the modules themselves, nothing is pasted on top, which is why it needs the GF(2) solve + decoder validation rather than just high error correction. Complementary tools, really.