Search any LEGO set, mark what you own, and export the missing parts list. Free. No account required.
Look up any LEGO set by number or name and instantly see its full parts inventory.
Mark which pieces you already have. Your progress is saved locally — no account needed.
Export your missing parts list as Rebrickable CSV or BrickLink wanted list XML.
See real-time BrickLink price guides so you know what missing pieces will cost.
Snap a photo of a loose piece and let AI identify the part number and matching sets.
Invite friends to help sort through a bulk lot together in real time.
Enter any LEGO set number to load its full parts inventory.
Tap through the inventory and mark the pieces you already have.
Download your missing pieces list, ready for Rebrickable or BrickLink.
20,000+
LEGO sets
1M+
unique parts
100%
free to use
Everything you need to track LEGO sets is free. Upgrade to Plus for unlimited power.
Search, track, and export -- no account required.
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