Optimize your Amazon listings, calculate FBA fees, manage reviews, and research keywords — all in your browser, completely free.
Running a profitable Amazon FBA business requires constant optimization across multiple areas: listing copy, keyword strategy, pricing, fees, and customer review management. tools999.com provides a free suite of FBA tools that cover the most critical tasks — no subscription, no login, no credits required.
The ASIN Lookup Helper extracts ASINs from any Amazon URL format and builds instant links to all major marketplaces. The Product Title Optimizer scores your listing title against Amazon's style guide with a 7-point analysis and mobile preview. The Bullet Point Generator uses the Feature + Benefit formula to create 5 high-converting bullets from your product features.
The Review Response Generator crafts professional, policy-compliant responses to positive and negative reviews — protecting your seller reputation. The FBA Fee Calculator breaks down fulfillment, referral, and storage fees by size tier so you know your exact profit before you launch. And the Keyword Density Checker analyzes your complete listing across title, bullets, and description to find keyword gaps and coverage scores.
All tools run entirely in your browser. Your listing content, product data, and financials are never stored or shared.