Too-many-browser-tabs — dedupe, group, export & semantically organize

Too-many-browser-tabs is a persistent productivity problem: knowledge workers accumulate large, fragmented sets of open tabs and saved links that create context-switching overhead and search friction. This issue disproportionately affects remote and hybrid knowledge workers, researchers, product managers and developers — roughly the 300 million people in the global knowledge workforce target. Left unmanaged these collections lead to duplicated links, lost context across sessions, and an ongoing cognitive load that simple bookmark tools don’t resolve. A practical product would be a lightweight browser extension paired with a web app that deduplicates open tabs and saved links, groups pages automatically using AI embeddings and semantic search, and produces concise, topic-labeled clusters with one-click export to Markdown, Notion, Obsidian or CSV. Key features would include cross-tab dedupe and session snapshots, automatic topic labels and summaries, fast semantic search across all saved items, team-shared collections, and an export-first workflow to avoid vendor lock-in. Offer both a local-first mode for privacy-conscious users and an opt-in cloud sync for team collaboration, keeping onboarding under two minutes to reduce friction. The market is attractive now — an $18.0B addressable market (300M knowledge workers x $60/year), a Market Score of 74 and Revenue Potential of 94 reflect a strong willingness to pay for time savings in knowledge work, and advances in embeddings, semantic search and WebExtensions make the product technically and commercially feasible. To stand out you should prioritize high-precision clustering, low-permission UX, explicit exportability and strong privacy guarantees; realistic challenges include medium competition, potential browser API volatility, performance/privacy tradeoffs and customer acquisition/retention costs, but delivering reliable, privacy-friendly automation with seamless team exports would create a defensible position.