Chrome Goldmine

Chrome Goldmine is a curated database of expired Chrome extensions that helps builders quickly find profitable rebuild opportunities. It includes 9,600+ extensions with revenue estimates, monetization strategies, failure reasons like Manifest V3 issues, and competitor analysis. You get an interactive Notion database, a downloadable CSV, implementation manuals, and a market research report, all delivered as a one-time purchase with lifetime access. It's designed for indie hackers, solo SaaS founders, and agencies to spot six-figure opportunities, validate ideas, and brief developers without months of manual research.