llms.txt
# 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
- Revenue Calculator: https://chromegoldmine.com/tools/revenue-calculator/
- 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:
- [Expired Chrome Extensions Worth Rebuilding, by Category](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.
- [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.
- [How to Buy a Chrome Extension Business in 2026](https://chromegoldmine.com/blog/expired-chrome-extensions/buy-chrome-extension-business/) — Sourcing, valuation multiples, due diligence, and transfer mechanics for acquiring an existing Chrome extension instead of building from scratch.
### Pillar: Chrome Extension Tool Comparisons
**URL**: https://chromegoldmine.com/blog/comparisons/
Head-to-head comparisons of Chrome extension idea databases, AI validators, and analytics platforms vs Chrome Goldmine — pricing, data depth, recency, and who each tool is built for.
#### Cluster Articles:
- [Built That Extension vs. Chrome Goldmine](https://chromegoldmine.com/blog/comparisons/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.
- [ExtensionDB vs. Chrome Goldmine](https://chromegoldmine.com/blog/comparisons/extensiondb-vs-chrome-goldmine/) — Comparison of ExtensionDB's 246K-extension index against Chrome Goldmine's curated 9,656 expired-opportunity database: coverage, depth, pricing, and actionability.
- [NicheTools vs. Chrome Goldmine](https://chromegoldmine.com/blog/comparisons/nichetools-vs-chrome-goldmine/) — How NicheTools' 130K+ web-tool catalogue stacks up against Chrome Goldmine's expired Chrome extension playbooks for indie makers.
- [ProvenTools vs. Chrome Goldmine](https://chromegoldmine.com/blog/comparisons/proventools-vs-chrome-goldmine/) — ProvenTools' AI-ready SaaS build prompts vs Chrome Goldmine's expired-extension rebuild playbooks for vibe coders.
- [Chrome Stats vs Chrome Goldmine: Free vs Paid Data](https://chromegoldmine.com/blog/comparisons/chrome-stats-vs-chrome-goldmine/) — Chrome Stats' analytics platform for 265K+ active extensions vs Chrome Goldmine's curated database of 9,656 expired-extension launch opportunities.
- [BigIdeasDB vs Chrome Goldmine: Honest 2026 Comparison](https://chromegoldmine.com/blog/comparisons/bigideasdb-vs-chrome-goldmine/) — BigIdeasDB's AI-mined 1M+ user complaints across G2, Reddit, and Product Hunt vs Chrome Goldmine's 12 data points per expired extension, at roughly 6× lower price.
- [IdeaProof vs. Chrome Goldmine](https://chromegoldmine.com/blog/comparisons/ideaproof-vs-chrome-goldmine/) — IdeaProof's multi-model AI startup validator (Claude, Gemini, GPT-4) vs Chrome Goldmine's 9,656 expired extensions with real historical performance data and 12 data points each.
- [Starter Story vs. Chrome Goldmine](https://chromegoldmine.com/blog/comparisons/starter-story-vs-chrome-goldmine/) — Starter Story's subscription case-study database (no download, $41+/mo) vs Chrome Goldmine's 9,656 pre-validated, downloadable extension opportunities with revenue, rebuild difficulty, and step-by-step action plans at one-time pricing.
### 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.
- [MV3 Service Worker Keeps Dying? Fixes That Work](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.
- [Chrome Extension Terms of Service: A Practical Guide for Indie Makers](https://chromegoldmine.com/blog/how-to-build-chrome-extensions/chrome-extension-terms-of-service/) — Plain-English indie maker guide to ToS, privacy policy, GDPR, and Chrome Web Store legal requirements without hiring a lawyer.
### 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:
- [Chrome Extension Ideas: 10 Real Dead Extensions and How to Rebuild Them](https://chromegoldmine.com/blog/profitable-chrome-extension-niches/chrome-extension-ideas/) — Ten real, publicly documented Chrome extensions that shut down (Pocket, Omnivore, uBlock Origin MV2, Rapportive, and more), each with a step-by-step rebuild plan, MVP scope, and monetization angle, plus a 5-step method for turning any dead extension into a build plan.
- [35 Chrome Extension Ideas You Can Build in a Weekend](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.
- [Chrome Extension Ideas Database for Serious Builders](https://chromegoldmine.com/blog/profitable-chrome-extension-niches/chrome-extension-ideas-database/) — Compare ExtensionDB, ProvenTools, raw CSVs, and Chrome Goldmine to choose the right chrome extension ideas database, with a build-vs-buy ROI breakdown for rebuilding expired MV2 extensions.
- [Chrome Extensions for Content Creators: YouTube, TikTok & Instagram](https://chromegoldmine.com/blog/profitable-chrome-extension-niches/content-creator-chrome-extension/) — Best content creator chrome extensions for YouTube (TubeBuddy, vidIQ, Social Blade, CreatorML), TikTok, and Instagram (INSSIST, Planoly), plus the indie-maker ROI case for building in a $37B creator-tools market.
### Pillar: Chrome Extension Monetization
**URL**: https://chromegoldmine.com/blog/chrome-extension-monetization/
How to Monetize a Chrome Extension: 5 Models + Payouts. What each monetization model actually pays: SDK rates, subscription ARPU and affiliate splits from 9,656 extensions, with the numbers per 1,000 users. Comparing 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
