Seller Toolkit is a free online platform built for global eCommerce sellers. We provide practical calculators, AI-powered tools and seller resources to help you run your online business more efficiently.
Our Mission
Our mission is simple: give every Amazon, eBay, Shopify, Walmart, Etsy and TikTok Shop seller access to professional-grade tools — without paywalls, without complexity, and without requiring an account for most features.
We believe that sellers should spend their time growing their business, not searching for scattered spreadsheets and outdated fee calculators. Seller Toolkit brings everything together in one fast, reliable platform.
What We Offer
Calculators
Amazon Fee Calculator, FBA Profit Calculator, VAT Calculator, Shipping Calculator and more — all free and instant.
AI Tools
Generate product descriptions, reply to negative reviews, and write buyer messages with AI assistance.
Policy Center
Quick access to seller policies for Amazon, eBay, Walmart and TikTok Shop.
Seller Resources
Templates, checklists, guides and glossary to support your daily operations.
Who We Serve
Seller Toolkit is built for sellers in the United States, United Kingdom, Canada, Australia, Germany and sellers worldwide who list on global marketplaces. Whether you are a new seller or an experienced brand owner, our tools are designed to save you time and improve your decision-making.
Our Commitment
- Keep core tools free and accessible to all sellers
- Update fee rates and policies as marketplaces change
- Maintain fast page load speeds and a clean, professional experience
- Protect your privacy — we do not sell your data
- Continuously add new tools based on seller feedback