A working SaaS foundation and a clear map for your coding agent

Chrome Goldmine
Chrome Goldmine — The Most Complete Expired Chrome Extension Database
About Chrome Goldmine
9,656 expired Chrome extensions with revenue estimates from <$10K to >$100K annually. Built for indie hackers, solo SaaS builders, and vibe coders to find their next profitable project.
Chrome Goldmine is a curated research database of expired Chrome extensions that helps builders find profitable rebuild opportunities fast. It includes 9,656 extensions with revenue estimates, monetization strategies, failure reasons (like Manifest V3 issues), and competitor analysis.
You get an interactive Notion database plus a downloadable CSV, 10+ implementation/rebuild manuals, and a market research report, all delivered as a one-time purchase with lifetime access. Designed for indie hackers, solo SaaS founders, and vibe coders to spot six-figure opportunities, validate ideas, and rebuild extensions without repeating months of manual research.
Key features
9,656 expired Chrome extensions with revenue projections and metadata.
Interactive Notion database plus downloadable CSV for instant analysis.
Revenue estimates, monetization strategies, and rebuild difficulty scores.
Filters for high-opportunity extensions and MV3 compliance impact.
One-time purchase with lifetime access and 30-day refund guarantee.
Ideal for indie hackers, solo SaaS builders, and vibe coders.
- Who it is for
- Independent developers researching browser-extension ideas
- The solution
- Research expired Chrome extensions using historical users, categories, competing products and rebuild-planning notes.
Features
Expired extension database
Historical user information
Rebuild difficulty and plans
Details
- Built for
Independent developers researching browser-extension ideas
- Use cases
- Research discontinued browser-extension opportunities
- Compare extension rebuild requirements
Chrome Goldmine homepage
1 / 1Website performance
Independent mobile lab measurements and permanent weekly competition results from IndieTools Speed.
Last checked
- Load time
- 2.60 s
- FCP
- 1.73 s
- LCP
- 3.45 s
- CLS
- 0.729
- TTFB
- 14 ms
- TBT
- 182 ms
- Speed index
- 4.08 s
Latest Performance Score: 62. Measured: October 13, 2026. Weekly Overall Rank: #831. Category Rank: #76 in Developer tools. LCP: 3.45 s. Load Time: 2.60 s.
- Overall rank · 2026-W41
- #831 Up 134 places
- Best overall rank
- #831 0 top 10 finishes
- Best category rank
- #76 0 category wins
- Latest change
- -11 score Best score 62 / 100
Website performance history
Inspect every successful mobile Lighthouse lab measurement by metric and date range.
Range
Latest score
62 / 100
Higher is better
9 measurements
Use the left and right arrow keys to inspect measurements. Use Home or End to jump to the first or last measurement. Press Escape to dismiss the chart tooltip.
Oct 7, 2026Oct 13, 2026Weekly rank history
Track the product's finalized overall position on the IndieTools Speed leaderboard.
Range
Latest rank
#831
Closer to #1 is better
2 weeks
Use the left and right arrow keys to inspect weeks. Use Home or End to jump to the first or last week. Press Escape to dismiss the chart tooltip.
Sep 28, 2026Oct 5, 2026Related products
Others in the same categories.
Free browser-based tools to view, format, validate, compare, escape and convert JSON.
Browser-based audio utilities that work on your own files without uploading them - for musicians and podcasters who edit privately.
Deploy apps and databases with predictable cloud pricing
Open-source MCP gateway for AI agents to inspect XGRChain, XDaLa workflows and auditable blockchain evidence.
Brazilian CPF lookup API with an MCP server for AI agents