Cart Helper
From a BrickBudget budget to a filled LEGO.com cart — automatically.
What it does
Send your list
On the Budget Summary screen, press “Send to Cart Helper”. Your LEGO.com list — every part, color and quantity — lands in a side panel checklist in your browser.
It does the clicking
Cart Helper opens each part on Pick-a-Brick, verifies it's exactly the right element, prefills the quantity, and can even add everything to your cart by itself with “Auto add all”.
Built to get it right
Verified matching
A part is only added after its LEGO element ID is confirmed on the page — never by guesswork.
Smart fallbacks
Retired element numbers are retried automatically, and sold-out parts fall back to an identical-color alternative when one exists.
You stay in control
Progress is tracked part by part, anything it can't add lands on a copy-paste list, and checkout always stays in your hands.
Private by design
Cart Helper runs entirely in your browser, and your budget never touches our servers. It only talks to the BrickBudget page you pressed the button on and to LEGO.com — plus, if you allow it, anonymous usage stats via Google Analytics. No account, and no personal tracking. See our Privacy Policy.
Install Cart Helper
Cart Helper is live on the Chrome Web Store. Add it to your browser, then open your budget and press “Send to Cart Helper” on the summary screen.
Add to Chrome — it's free