# Chrome Goldmine > Database of 9600+ expired, profitable Chrome extensions: ready to be rebuilt, and a userbase waiting! For indie hackers, solo SaaS builders, and vibe coders! Chrome Goldmine is a research product that helps indie hackers, solo SaaS builders, and vibe coders find their next profitable project. The curated Notion database contains 9,656 discontinued Chrome extensions — each with revenue estimates (from <$10K to >$100K annually), rebuild difficulty scores, competitor analysis, key selling points, and implementation manuals. Updated quarterly. ## Website Structure - Homepage: https://chromegoldmine.com/ - Live Demo: https://chromegoldmine.com/demo - Blog Hub: https://chromegoldmine.com/blog - Tools & Discounts: https://chromegoldmine.com/partners - Privacy Policy: https://chromegoldmine.com/privacy - Terms of Service: https://chromegoldmine.com/terms ## LLM Resources - This file (navigational summary): https://chromegoldmine.com/llms.txt - Full-content dump (every blog post, full text): https://chromegoldmine.com/llms-full.txt - Sitemap (XML): https://chromegoldmine.com/sitemap.xml - Crawler policy: https://chromegoldmine.com/robots.txt ### Partner Tool Categories - All Partners: https://chromegoldmine.com/partners ### Landing Page Sections - Hero: "Find Your Next $100K Idea" — headline with product mockup, trust signals, and CTA - Stats Bar: Key metrics (9,656 extensions, 50+ indie makers, quarterly updates) - What's Inside: Breakdown of database contents and deliverables - Live Demo: Interactive preview at /demo - Testimonials: Reviews from indie makers, SaaS builders, and vibe coders - Pricing: Single-tier pricing at $23.20 (20% off $29 launch discount, first 100 buyers) one-time payment - FAQ: Common questions about the product - Footer: Links, legal pages, and social ## Core Product - **Interactive Notion Database**: 9,656 expired Chrome extensions with 12 data points each - **Revenue Estimates**: Projected annual revenue per extension (<$10K to >$100K) - **Rebuild Difficulty Scores**: Complexity rating to match your skill level - **Competitor Analysis**: Current alternatives and market gaps - **10 Implementation Manuals**: Step-by-step rebuild guides - **Premium Market Research Report**: 2026 edition with trends and category analysis - **Full CSV Export**: Raw data for power users - **Quarterly Updates**: New expired extensions added every quarter, lifetime access ## Pricing (Updated 2026-06-12) - **Full Access — $23.20** (20% off original $29, launch discount for first 100 buyers): Interactive Notion Database (9,656 extensions), revenue estimates & rebuild difficulty scores, competitor analysis & key selling points, full CSV export, Quick Start Guide & rebuild playbook, Premium Research Report (2026 edition), quarterly updates forever. One-time payment, no subscription, 30-day money-back guarantee. — [Get Full Access](https://r4fken.gumroad.com/l/ChromeGoldmine/FIRST100?utm_source=chromegoldmine&utm_medium=website&utm_campaign=CTA) ## Blog Structure (Hub-and-Spoke Model) The blog follows a hub-and-spoke architecture with 9 published pillar categories and 41 cluster articles. The hub page is a comprehensive 45-minute read covering 200+ Chrome extension ideas with profit potential ratings, difficulty scores, build times, a 20-question FAQ, and resource center. ### Blog Hub Page **URL**: https://chromegoldmine.com/blog **Title**: The Ultimate Chrome Extension Idea Database (9656 Profitable Niches for 2026) Key sections: Hero with market data ($17.5B industry by 2035, 25,000+ expired extensions), 4-step framework from idea to income, comparison table vs generic listicles, 14 pillar deep dives with idea tables, 20-question FAQ with FAQPage schema, resource center with tools and communities. ### Pillar: Expired Chrome Extensions **URL**: https://chromegoldmine.com/blog/expired-chrome-extensions/ The complete guide to finding, validating, building, and monetizing rebuilt Chrome extensions. Covers 10+ expired extension ideas including Pomodoro timers, dark mode enablers, LinkedIn email finders, and Gmail CRMs. #### Cluster Articles: - [Best Expired Extensions by Category 2026](https://chromegoldmine.com/blog/expired-chrome-extensions/best-by-category/) — Curated list of the most profitable expired extensions across 9 categories with revenue potential and rebuild difficulty. - [Expired Chrome Extensions Market Analysis 2026](https://chromegoldmine.com/blog/expired-chrome-extensions/market-analysis-2026/) — Data-driven analysis of the discontinued extension market including size, trends, and revenue potential. - [Which Expired Extension Should You Rebuild? Complete Analysis](https://chromegoldmine.com/blog/expired-chrome-extensions/which-to-rebuild/) — Framework for evaluating rebuild vs build-new decisions in 48 hours. - [How to Find & Launch Expired Chrome Extension Ideas](https://chromegoldmine.com/blog/expired-chrome-extensions/find-ideas/) — 7 proven discovery methods to find profitable expired extensions in 2 hours. - [Top Expired Extensions: Todoist vs. The Productivity Graveyard](https://chromegoldmine.com/blog/expired-chrome-extensions/todoist-alternative/) — Why productivity extensions fail and market gaps left by Wunderlist and Evernote. - [Productivity Extensions That Shut Down: What Happened?](https://chromegoldmine.com/blog/expired-chrome-extensions/productivity-shutdown/) — Analysis of 30+ major productivity extension shutdowns in 2024–2025. - [Email Extensions Gone: Building the Next Email Productivity Tool](https://chromegoldmine.com/blog/expired-chrome-extensions/email-extensions/) — Why email extensions disappeared and which gaps you can fill. - [How to Validate Expired Extension Ideas Before Building](https://chromegoldmine.com/blog/expired-chrome-extensions/validate-idea/) — 5-part validation framework covering user research, market sizing, and feasibility. - [Built That Extension vs. Chrome Goldmine](https://chromegoldmine.com/blog/expired-chrome-extensions/built-that-extension-vs-chrome-goldmine/) — Side-by-side comparison of the two expired Chrome extension databases: pricing, data points, guides, and who each is for. - [Chrome Extension Ideas Reddit: Find & Validate Profitable Niches in 2026](https://chromegoldmine.com/blog/expired-chrome-extensions/chrome-extension-ideas-reddit/) — How to mine Reddit communities for Chrome extension ideas and validate them against the Chrome Goldmine database of 9,656 expired extensions. ### Pillar: How to Build Chrome Extensions **URL**: https://chromegoldmine.com/blog/how-to-build-chrome-extensions/ Step-by-step technical guides for building, launching, and scaling Chrome extensions. Covers Manifest V3, API integrations, AI agents, security, frontend frameworks, CI/CD, and more. #### Cluster Articles: - [From Zero to First Dollar: A Weekend Challenge Using Only Expired Chrome Extensions](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/weekend-challenge/) — A 48-hour challenge to find, rebuild, and monetize an expired Chrome extension using boilerplates and starter kits. - [Designing a "Deal Flow" CRM for Chrome Extensions in Notion](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/deal-flow-notion/) — Organize your extension rebuild pipeline with a Notion-based deal flow system. - [Building an AI Agent That Hunts Profitable Chrome Extension Opportunities for You](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/ai-agent-chrome-extension-ideas/) — Build an AI agent using n8n and OpenAI to automatically find profitable Chrome extension opportunities. - [How I'd Build a $1,000/Month Side Income Using Only the Chrome Goldmine Database](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/side-income-chrome-extensions/) — Step-by-step portfolio strategy using the Chrome Goldmine database to reach $1,000 MRR with multiple focused extensions. - [Reverse Engineering Hyper‑Profitable Chrome Extensions: A Framework You Can Copy](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/reverse-engineering/) — A 4-step ethical framework to deconstruct successful extensions' business models, UX, and monetization. - [From Dead Toolbar Icon to Micro SaaS: How to Revive an Expired Chrome Extension in 7 Days](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/revive-expired-extension/) — Step-by-step 7-day playbook for reviving expired Chrome extensions into profitable micro-SaaS using Manifest V3 and AI tools. - [Chrome Extension Screen Capture API for Indie Makers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/screen-capture/) — How to build and monetize screenshot and screen recording Chrome extensions using the Desktop Capture and Screen Capture APIs. - [Content Scripts in Chrome Extensions: A Complete Tutorial for Indie Developers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/content-scripts/) — Master content scripts to inject UI, manipulate the DOM, and build profitable micro-SaaS with Manifest V3 best practices. - [Chrome Extension Reading List: Essential Tools for Indie Makers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/reading-list/) — Build an AI-powered reading list extension using the chrome.readingList API for indie makers and vibe coders. - [Master Chrome Extension Error Handling: A 2026 Guide for Indie Makers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/error-handling/) — Bulletproof error handling patterns for Manifest V3 service workers, content scripts, and API calls with real-world examples. - [Chrome Extension Service Workers Guide: Mastering Manifest V3 for Indie Makers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/service-worker/) — Master the MV3 service worker lifecycle, state persistence, alarms, and offscreen documents. - [Master Chrome Extension Communication: Message Passing Patterns for Indie Makers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/message-passing/) — Chrome.runtime and chrome.tabs messaging between popup, background, and content scripts with TypeScript patterns. - [Master the Chrome Storage API: A Guide for Indie Makers & Vibe Coders](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/storage-api/) — Master data persistence with chrome.storage.local, sync, and session storage areas for robust extensions. - [Mastering Chrome Extension DevTools: A Guide for Indie Makers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/devtools/) — Build, debug, and monetize custom developer tools with Manifest V3, Gemini Nano AI, and modern frameworks. - [Chrome Extension Code Structure and Project Organization: A Guide for Indie Makers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/code-structure/) — Organize extension code with WXT, React, and modular architecture patterns for scalable micro-SaaS. - [Chrome Extension Development Guide 2026: Build, Launch, and Grow a Profitable MV3 Extension](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/development-guide-2026/) — Build, launch, and grow a profitable MV3 extension with step-by-step guidance on tooling, APIs, monetization, and Chrome Web Store optimization. - [Manifest V2 Replacement: The Complete Guide for Chrome Extension Builders in 2026](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/manifest-v2-replacement/) — How to identify, rebuild, and replace legacy Manifest V2 extensions removed from the Chrome Web Store with modern MV3 alternatives. ### Pillar: Vibe Coding Chrome Extensions **URL**: https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/ Build Chrome extensions using AI tools and no-code approaches. Covers Lovable.dev, Claude.ai, Cursor, Latenode, hybrid workflows, and the 10x developer mindset. #### Cluster Articles: - [Combining Lovable.dev with Latenode: Build Automation-Rich Extensions](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/lovable-latenode/) — Build automation-rich Chrome extensions by integrating Lovable's UI with Latenode's workflow automation. - [Lovable vs MindStudio vs Bolt: Best AI Tools for Extension Vibe Coding in 2026](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/ai-tools-comparison/) — Compare three popular AI extension builders with features, pricing, and ideal use cases. - [Best Vibe Coding Extensions for Solo Makers: 2026 Edition](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/solo-makers/) — Top 5 extension types for indie hackers with real-world examples and monetization strategies. - [Claude Code Tutorial for Chrome Extensions: Build in 30 Minutes](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/claude-tutorial/) — Step-by-step guide to building a Chrome extension with Claude AI in 30 minutes. - [7 Common Vibe Coding Mistakes (And How to Avoid Them)](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/common-mistakes/) — Avoid these critical mistakes that derail Chrome extension projects. - [Building Chrome Extensions Without Coding: Complete Guide](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/no-code-guide/) — Complete guide for non-developers with three paths to no-code extension development. - [How to Build and Launch a Micro-SaaS in 2026: The Indie Maker Guide](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/micro-saas-2026/) — The indie maker guide to building a profitable micro-SaaS with vibe coding, including market stats, case studies, and ROI analysis. - [Vibe Coding Tools for Chrome Extensions: Boilerplates, AI Workflows & Shipping Faster](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/tools-boilerplates-guide/) — The 2026 guide to boilerplates, AI workflows, and shipping faster with vibe coding tools for Chrome extensions. - [How to Use Claude to Vibe Code a Chrome Extension (2026 Guide)](https://chromegoldmine.com/blog/vibe-coding-chrome-extensions/vibe-code-chrome-extensions-with-claude/) — End-to-end walkthrough for vibe coding a profitable Chrome extension with Claude: prompting patterns, Manifest V3 scaffolding, debugging, and shipping to the Web Store. ### Pillar: Profitable Chrome Extension Niches **URL**: https://chromegoldmine.com/blog/profitable-chrome-extension-niches/ Comprehensive pillar guide to the most profitable Chrome extension niches for indie makers in 2026. Covers 6 high-potential categories (Productivity, E-commerce, Developer Tools, AI-Powered, Data Extraction, Niche Utilities) with real revenue case studies (GMass $130K/mo, Closet Tools $42K/mo, Blue Dot $3K/mo, Dubble $2.7K/mo). Includes earning spectrum analysis, Chrome Web Store long-tail distribution data, validation framework, common mistakes, ROI table, and recommended tools. 30-minute read with FAQPage schema. #### Cluster Articles: - [Easy Chrome Extension Ideas: 35 Low-Complexity Ideas You Can Build and Validate Fast](https://chromegoldmine.com/blog/profitable-chrome-extension-niches/easy-extension-ideas/) — 35 beginner-friendly Chrome extension ideas with a Chrome Goldmine filter for picking projects that are small to ship, fast to validate, and realistic to maintain. Covers focus tools, snippet managers, affiliate helpers, research utilities, and more. ### Pillar: Chrome Extension Monetization **URL**: https://chromegoldmine.com/blog/chrome-extension-monetization/ Comprehensive pillar guide comparing 5 proven monetization models for Chrome extensions: freemium, premium/lifetime, subscription, affiliate, and advertising. Includes real case studies (GoFullPage $10k/mo, GMass $130k/mo, Closet Tools $42k/mo, CSS Scan $100k+), revenue comparison tables, conversion rates, pricing strategies ($5-$30/mo range), payment platform recommendations (Outseta, Stripe, Lemon Squeezy), and honest failure stories. 25-minute read with FAQPage schema. #### Cluster Articles: - [Chrome Extension Pricing Strategies: What Actually Works in 2026](https://chromegoldmine.com/blog/chrome-extension-monetization/chrome-extension-pricing-strategy/) — Data-driven pricing guide covering freemium, one-time, and subscription models with real-world case studies and conversion benchmarks. - [Chrome Extension Stripe Payment Integration: The Complete Guide for Indie Makers](https://chromegoldmine.com/blog/chrome-extension-monetization/stripe-payment-guide/) — Step-by-step guide to integrating Stripe payments into Chrome extensions, comparing direct Stripe vs ExtensionPay, with architecture diagrams and code examples. - [How to Sell Your Chrome Extension: Valuation, Marketplaces, and Exit Strategies](https://chromegoldmine.com/blog/chrome-extension-monetization/sell-chrome-extension/) — Valuation frameworks, marketplace comparison (Acquire.com, Side Projectors, Flippa), handover preparation, and exit strategies for indie makers. - [Chrome Extension Affiliate Marketing: How Indie Makers Turn Users into Passive Revenue](https://chromegoldmine.com/blog/chrome-extension-monetization/chrome-extension-affiliate-marketing/) — How to monetise with affiliate marketing, comply with Google's 2025 disclosure rules, pick the right programs, and build passive income. - [Chrome Extension Lifetime Deal: The Indie Maker's Guide to AppSumo and PitchGround](https://chromegoldmine.com/blog/chrome-extension-monetization/chrome-extension-lifetime-deal/) — How to structure, price, and launch a profitable lifetime deal on AppSumo or PitchGround, with ROI estimates and real case studies. - [Chrome Extension Sponsorship Deals: How to Land Your First Sponsor](https://chromegoldmine.com/blog/chrome-extension-monetization/chrome-extension-sponsorship/) — Prepare your extension for sponsorship, find brands, craft a pitch, set CPM-based pricing, and structure your first deal. - [Chrome Extension Revenue Benchmarks: What to Expect by User Count](https://chromegoldmine.com/blog/chrome-extension-monetization/chrome-extension-revenue-benchmarks/) — Real revenue benchmarks by user tier across freemium, subscription, and LTD models with community data and case studies. - [Freemium Chrome Extension: Converting Free Users to Paid](https://chromegoldmine.com/blog/chrome-extension-monetization/freemium-chrome-extension/) — Feature gating patterns, payment stack choices, conversion rate benchmarks, and a decision checklist for building freemium extensions. ### Pillar: Chrome Extension UX & Retention **URL**: https://chromegoldmine.com/blog/chrome-extension-ux-retention/ How better Chrome extension UX improves retention, trust, and revenue. Covers the four retention moments (store listing, install prompt, first use, repeat use), onboarding design, permission strategies, failure patterns, retention stack tools, and a practical playbook with ROI ranges and case studies for indie makers. ### Pillar: B2B & SaaS Chrome Extensions **URL**: https://chromegoldmine.com/blog/b2b-saas-chrome-extensions/ The most lucrative extension category. 10 B2B ideas including Gmail CRM integrations, LinkedIn lead gen, competitor research, project management, time tracking, SEO audit tools, and cybersecurity tools. Revenue potential: $5,000-$20,000/month. ### Pillar: Developer Tools **URL**: https://chromegoldmine.com/blog/developer-tools/ Extensions for developers: code quality scanners, API clients, JSON formatters, GitHub enhancement tools, and performance analyzers. ### Pillar: Productivity & Workflow **URL**: https://chromegoldmine.com/blog/productivity-extensions/ The largest Chrome Web Store category (55.5% of all extensions). 9 ideas including niche task managers, meeting tools, distraction blockers, clipboard managers, and workflow automation. ### Pillar: Content & Reading **URL**: https://chromegoldmine.com/blog/content-reading-chrome-extensions/ 8 content extension ideas: read-it-later tools, speed reading, annotation, text-to-speech, citation generators, dyslexia-friendly readers, and interactive learning tools. ### Pillar: E-commerce & Shopping **URL**: https://chromegoldmine.com/blog/ecommerce-shopping-chrome-extensions/ 8 shopping extension ideas: coupon finders, price trackers, review analyzers, sustainable shopping assistants, subscription managers, and personalized style assistants. Honey's $4B acquisition proves the category potential. ### Pillar: Social Media & Communication **URL**: https://chromegoldmine.com/blog/social-media-communication-chrome-extensions/ 8 social media extension ideas: social media managers, Twitter enhancement, LinkedIn automation ($2k-$15k/month), analytics, community management, influencer outreach, and social listening tools. ### Pillar: Chrome Web Store & ASO **URL**: https://chromegoldmine.com/blog/chrome-web-store-aso/ App Store Optimization for Chrome extensions: keyword research, compelling descriptions, screenshots, reviews, growth hacking, algorithm insights, internationalization, and performance tracking. ### Pillar: Step-by-Step Tutorials **URL**: https://chromegoldmine.com/blog/tutorials/ Execution-focused guides: 48-hour extension challenge, monetization blueprint, AI agent automation, expired extension revival, portfolio building, vibe coding masterclass, B2B SaaS playbook, and e-commerce extension guide. ## Target Audience - Indie hackers looking for validated extension ideas - Solo SaaS builders seeking their next $100K+ project - Vibe coders using AI tools to build extensions - Product managers researching market opportunities ## Contact - Website: https://chromegoldmine.com - Twitter/X: @rafvantongerloo - Support: support@chromegoldmine.com ## Robots This site welcomes responsible AI crawlers and LLM training. Please respect our rate limits and robots.txt directives. ## Last Updated 2026-06-16