# Extension Idea Databases Built That Extension Provides Data On Expired Chrome Extensions By Ell Smith | Published 2026-03-19 | Business Source: Trend Hunter, https://www.trendhunter.com/trends/built-that-extension References: [buildthatextension](https://www.buildthatextension.com/?ref)  Built That Extension is a data-driven platform designed to help developers identify potential opportunities in the [Chrome extension market](https://www.trendhunter.com/trends/notion-treeview). The platform provides access to a dataset of over 9,500 expired extensions, each with at least 500 previous users, allowing users to analyze historical demand and usage trends. By examining this information, developers can explore [gaps in the market](https://www.trendhunter.com/trends/buildpad1), evaluate user interest, and inform decisions for building new extensions with demonstrated potential. From a business perspective, tools like Built That Extension highlight the growing importance of leveraging [historical product data](https://www.trendhunter.com/trends/expired-domain-tracker) to reduce market uncertainty and validate ideas before development. The platform provides actionable insights for entrepreneurs, small teams, and software innovators aiming to create extensions that meet pre-existing demand while minimizing trial-and-error investment. Image Credit: Built That Extension ## Trend Insights (Trend Hunter) - Score: 5.4/10 - Popularity: 45% | Activity: 49% | Freshness: 69% - Audience gender: 50% men, 50% women - Primary generations: Millennial - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Business](https://www.trendhunter.com/business) ## Key Themes ### Key Themes Behind This Trend - **Expired-extension Intelligence:** A repository of expired extensions reveals neglected user segments and feature combinations that could be recombined into new offerings with pre-validated demand. - **Data-driven Idea Validation:** Historical usage metrics are enabling predictive assessments of market viability that reduce uncertainty around early-stage product concepts. - **Demand-backed Product Reuse:** Patterns of prior adoption and abandonment point to opportunities for resurrecting or pivoting legacy extensions into modernized, higher-value solutions. ### Where This Applies - **Browser-extension Development:** Libraries of expired-extension data can inform extensions built around proven use cases, signaling potential for faster user acquisition and niche consolidation. - **Saas Market-research Tools:** Aggregated historical extension datasets offer a foundation for analytics platforms that quantify latent demand and competitive gaps across browser ecosystems. - **Startup-incubation Services:** Access to demonstrable past traction supports incubators in curating lower-risk project portfolios and mentoring teams toward reusing validated concepts. ## Related on Trend Hunter - [Idea Repository Books](https://www.trendhunter.com/trends/business-ideas-database.md) - [Learning Optimization Tools](https://www.trendhunter.com/trends/google-cloud-skills.md) - [Product Idea Validators](https://www.trendhunter.com/trends/exist-yet.md) - [AI Tool Finders](https://www.trendhunter.com/trends/toolforthat.md) - [Exam Answer Extensions](https://www.trendhunter.com/trends/acequiz.md) - [Startup Idea Discovery Tools](https://www.trendhunter.com/trends/buildlist.md) - [Lead Extraction Tools](https://www.trendhunter.com/trends/extract-emails.md) - [Extension Opportunity Indexes](https://www.trendhunter.com/trends/zombie-extensions.md) - [Web Data Captures](https://www.trendhunter.com/trends/add-to-sheets1.md)