Perler Blueprint

Perler Blueprint is a free, open-source web tool that turns any photo into a perler bead (fuse bead / hama bead) pattern with real color palettes — MARD, COCO, Perler, Hama, Artkal, 3,700+ colors across 25 palettes. Auto color quantization with perceptual (Lab) color matching, per-cell color codes, mirror mode, ironing simulation, 3D board preview, and printable grid sheets (PNG / PDF / CSV export). No sign-up, no upload — images never leave your device. Export the finished pattern as a portable single-file HTML that works offline. Also available as a WeChat Mini Program for phone-to-desktop pattern sync via transfer codes.