100% free, no signup

Free Amazon seller tools.

Run the numbers, build your URLs, and launch with confidence. No account required.

Amazon FBA Calculator

Model fees, landed cost, margin, and break-even before a product idea becomes a purchase order.

Open calculator

Import Duty Calculator

Estimate US customs duty and Section 301 tariffs by category and country of origin — and see the hit to your FBA margin.

Open calculator

Super URL Generator

Create launch links for keyword tests, traffic experiments, and validation campaigns.

Generate URL

Amazon Fulfillment Center Locator

Interactive map and searchable directory of every US Amazon fulfillment center, sortation center, and air hub.

Open the map

Amazon Sales Rank Estimator

Convert any Amazon Best Sellers Rank into estimated monthly sales — category-specific, with a visual sales curve.

Estimate sales
The numbers work. Now go deeper.

Research the product before you source it.

The calculator shows your margin. Launch Fast shows everything else — search volume, competitor sales, keyword gaps, supplier quotes, and rank tracking. Built for sellers who want data before they commit capital.

See plans from $41/moView full feature list

No long-term contract. Cancel anytime.