Cartonizer
Decide how to pack every order. Cartonizer reads your Shopify products, variants and weights, takes the carton sizes and packaging rules you configure, and produces a real 3D packing plan for each order — how many boxes, which box, what goes in each, and the handling notes that apply.
Real 3D cartonization
A deterministic extreme-point packing engine places each item in 3D — not a volume estimate — and fills the smallest suitable box first.
Your cartons, your rules
Per-SKU dimensions, weight caps, ship-alone / fixed-carton overrides, bundle and case-pack handling, and packaging instructions from handling flags.
On the order page
The packing plan appears as a card on each order in Shopify admin. No customer or address data is read, and nothing is written back to your catalog.