---
title: "Free Amazon Seller Tools - Flapen"
canonical_url: "https://flapen.com/tools"
last_updated: "2026-07-19T12:14:16.754Z"
locale: en
meta:
  description: "Free tools for Amazon sellers: FBA launch estimator, warehouse directory, and landed-cost calculator."
  "og:description": "Free tools for Amazon sellers: FBA launch estimator, warehouse directory, and landed-cost calculator."
  "og:title": "Free Amazon Seller Tools - Flapen"
---

# **Tools**

Free tools for Amazon sellers: FBA launch estimator, warehouse directory, and landed-cost calculator.

[**Amazon Launch Estimator**Capital, break-even, and 3-year profit of your launch](https://flapen.com/tools/launch-estimator) [**Amazon Warehouse Directory**Addresses and codes for 1,000+ fulfillment centers](https://flapen.com/tools/warehouse-directory) [**Landed Cost Calculator**Import duty, tariffs, and VAT for every marketplace](https://flapen.com/tools/landed-cost-calculator) [**FBA Pallet Calculator**Units per carton, pallet, and shipping container](https://flapen.com/tools/fba-packing-calculator) [**FBA Valuation Calculator**What your business would sell for — SDE, multiple, and deal value](https://flapen.com/tools/fba-valuation-calculator) [**Review Velocity Calculator**Review growth, rating forecast, and competitor catch-up](https://flapen.com/tools/review-velocity-calculator) [**FBA Reorder Point Calculator**When to reorder, how many units, and your next three POs](https://flapen.com/tools/reorder-point-calculator)