UPC Evaluator

UPC Evaluator with persistent window (click the toolbar icon).

UPC Evaluator is a Chrome extension designed for eBay resellers and collectors who analyze data from ebay's Product Research section. Quickly paste eBay sold-item datasets into the extension and get instant insights including: • Median sale price (including shipping) • Viability score and break-even analysis • Sell-through and velocity metrics • Competition snapshot for active listings The tool helps you make fast, data-driven decisions about what to buy and list — no spreadsheets required. Features • Built-in profit calculator using realistic eBay fee models • Automatic shipping and tax adjustments • Simple copy/export buttons for CSV, Markdown, or JSON Who it’s for • eBay resellers, collectors, and data-driven flippers • Physical-media sellers and sellers who use UPC codes (DVDs, Blu-rays, CDs, games, books) • Anyone wanting to optimize listings and profits Learn more at https://www.upcevaluator.com