Raf Vantongerloo

🎯 Stop Wasting Months on Ideas Nobody Wants. Start Building What's Already Proven to Make Money.Are you leaving six-figure opportunities sitting in a graveyard?Most indie makers and vibe coders spend weeks validating extension ideas - only to discover someone already tried it, failed, and left 50,000 users with no alternative. Meanwhile, smart builders are using Chrome Goldmine to find those exact abandoned users... and cash in.Your next profitable Chrome extension already had customers. It just needs you.---💡 Perfect For:👨💻 Indie Makers & Solo SaaS Builders - Skip the "will this work?" phase entirely - Find extensions with 10k, 50k, or 100k+ orphaned users ready for a replacement - Get complete monetization strategies - not just raw data - Build in days with vibe coding tools like Lovable.dev and Claude AI 🚀 Vibe Coders Looking for Quick Wins - Filter by build difficulty (Beginner → Advanced) and estimated build time - Spot Manifest V3 casualties - extensions killed by Chrome's policy change, not lack of demand - Build extensions you know users are already searching for - Turn a weekend project into a recurring revenue stream 🏢 Agencies & Freelancers Expanding Their Portfolio - Brief developers confidently with pre-researched specs and competitor analysis - Identify white-label or resell opportunities in underserved niches - Save weeks of market research per project - Add high-margin SaaS extension services backed by validated data ---🔥 What You Get: 12-Point Research Done For You9,656 Expired Chrome Extensions - Fully Researched📊 Complete Data Per Extension (12 Data Points): - Extension Name & Chrome Web Store URL - User Count at expiration (10K → 100K+) - Ratings & Rating Count - Expiration Reason (MV3 Incompatibility, Unmaintained, Policy Violation, Deprecated, Low Quality) - Category/Niche (SEO, Productivity, AI, Developer Tools, and more) - Monetization Potential Score - Estimated Annual Revenue ($10K → $100K+) - Monetization Strategies - Competitor Analysis - Key Selling Points for rebuilding 🗂️ Interactive Notion Database - Filter by niche, user count, revenue potential, or difficulty - Bookmark and compare your top picks - Instantly shareable with your dev or co-founder 📁 Downloadable CSV - Import into Airtable, Excel, or Google Sheets - Build your own scoring models or automate your research pipeline 📚 Bonus Resources Included: - 10+ Implementation Manuals: How to go from data → shipped extension (+ monetization, promotion and SEO) - Vibe Coding Guide: Build faster using AI tools (Lovable.dev, Claude, Cursor) - Market Research Report: Trends across 14 profitable extension niches - Quarterly updates with newly expired extensions ---💰 ROI That Pays for Itself on Day OneTime Savings Alone: Manual research per extension idea: 3–5 hours 9,656 ideas researched for you = 28,000–48,000 hours of research delivered instantly Opportunity Value: 490 extensions identified with $100K+/year revenue potential Even 1 winning rebuild = 100x your investment in the first month Cost Comparison: - Hiring a VA for this research: $500–2,000+ - Market research tools subscription: $99–299/month - Chrome Goldmine: $29 one-time ✅ ---🏆 Why Builders Choose Chrome Goldmine Over Starting from Scratch❌ Typical approach: Browse the Chrome Web Store, guess what's missing, spend weeks validating, build something nobody wants.✅ Chrome Goldmine approach: Open the database, filter by niche + user count, find 10 proven opportunities in under 10 minutes, pick your winner, and start building.---🎉 Everything Included:✅ Chrome Goldmine Database - 9,656 validated extension opportunities✅ Interactive Notion database (filter, sort, bookmark)✅ Downloadable CSV for your own analysis workflow✅ Implementation Manual (idea → live extension)✅ Vibe Coding Guide (build with AI even if you can't code)✅ Market Research Report across 14 niches✅ Quarterly updates - new expired extensions added regularly✅ Lifetime access - pay once, use forever✅ 30-day money-back guarantee---👨💻 Created by Raf VantongerlooIndie maker, SEO builder, and Chrome extension enthusiast from Antwerp, Belgium."I built Chrome Goldmine because I was spending weeks researching extension ideas - only to find someone had already tried and abandoned them. So I turned that problem into a database. Now I use it myself for every new project, and I'm sharing it with you."Built in April 2026. Used by indie hackers, solo SaaS founders, and vibe coders worldwide.---🔒 Risk-Free Guarantee30-day money-back guarantee. If Chrome Goldmine doesn't help you find at least one profitable extension opportunity worth pursuing, get a full refund - no questions asked.---🎯 Ready to Find Your Next Profitable Extension?Stop building in the dark. 9,656 validated opportunities are waiting. Your customers already exist, they just need a builder like you.[Get Chrome Goldmine - $29 One-Time]Instant download. Works in Notion + CSV. Start finding opportunities in under 5 minutes.P.S. Every day you wait, another indie maker might be rebuilding the exact extension your future customers are searching for. The opportunity window on Manifest V3 casualties is real - and it's now. Don't let someone else take it.