What is Locus?
Locus is an AI‑powered search extension that replaces standard Ctrl + F with natural‑language queries on any web page or PDF. The tool indexes documents in real time, enabling quick retrieval of relevant sections without manual keyword searching. Built‑in AI models summarize entire pages or selected portions, generate research prompts, and create study cards to aid retention.
Users can save and categorize results with Favorites for later reference. The extension supports OpenAI GPT‑4o, Claude, and Gemini, and offers a browser‑based interface for easy access. Locus serves students, researchers, and professionals who need to locate and synthesize information efficiently.
Locus pricing Freemium
Verify on the official pricing page.
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Locus's key features
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AI-powered smart search on webpages
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Natural language PDF summarization
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AI-generated research assistance
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Note card creation for retention
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Favorite sections for quick reference
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Multi-model AI integration
Locus use cases
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Find and bookmark critical data in legal documents using Locus's natural‑language search, instantly summarizing pages and saving key excerpts to Favorites for quick reference
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Generate concise summaries and study cards from dense research articles in real time, enabling students to review material efficiently and build flashcard decks with a single click
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Create tailored research prompts from complex queries, have Locus index on the fly, and store the prompts and results as Favorites for future exploration
Who is it for?
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Web researchers
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Academic students
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Digital creators
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Information analysts
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Data processors
