Notch & Moon QR
Real QR codes set in two tiles from the block print. Each dark module becomes a notched square, each light module a half moon. The reader recovers the grid from a photo or screenshot and decodes it.
Notchdark module · 61% ink
Moonlight module · 39% ink
Make generator
Right-click or long-press the code to save it as an SVG. Rotation is decorative: the reader ignores it, so any style decodes. Edge tiles never turn their notch outward, which keeps the outline crisp for detection.
Read decoder
Drag the four corners onto the code's outer edge if detection misses
WaitingDrop, paste or choose an image of a Notch & Moon code.
The recovered grid, redrawn as a plain QR. Each tile is matched against all eight shapes (notch or moon, four turns), and the corners are nudged until the tiles fit best.