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Free tools for marketplace sellers
Quick checks before you list — or go deeper with a full AI audit. All tools are free to use in your browser.
Free Listing Analyzer
Most popularPaste any Amazon, eBay, Otto, or Kaufland URL for a full AI SEO audit with competitor insights.
Marketplace Title Checker
Check title length, prohibited words, and keyword density for Amazon, eBay, Otto, and Kaufland.
Amazon Fee Calculator
Estimate referral fees, FBA costs, and net profit before you list a product.
Optilist AI
Want the full picture?
Get AI scores, competitor gaps, and prioritized fixes — one free analysis per day, no credit card.