Liner
AI-powered search and highlight tool for students and researchers
AI-powered search and highlight tool for students and researchers
Updated means this listing was last refreshed on Mar 24, 2026.
Liner transforms research workflows by combining AI-powered search with intelligent highlighting and organization across the entire web. This research tool helps students and researchers find relevant information faster, then uses AI to generate answers directly from highlighted sources. Liner extracts and organizes key findings automatically, reducing hours of manual note-taking and source compilation. The platform's cited-source answers ensure research maintains academic integrity while accelerating the discovery process. Build a personal knowledge library within Liner, tagging and cross-referencing highlights across multiple sources for instant retrieval during writing or analysis. The freemium model grants immediate access to core research features, with options to upgrade for advanced organization and collaboration. Liner works across web browsing, PDF research, and academic databases, centralizing information gathering in one interface. Instead of juggling multiple tabs and scattered notes, researchers manage everything within Liner's unified system. The AI-generated answers with source citations streamline literature review, competitor analysis, and fact-checking tasks. Whether preparing for exams, conducting market research, or writing papers, Liner accelerates the research-to-insight pipeline.
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Liner's AI-powered search and highlighting features are useful for competitive research, it organizes web findings into structured notes automatically. The Chrome extension works well for building research dossiers. But the onboarding is confusing, the free tier is too limited to evaluate properly, and it doesn't integrate with any of the marketing tools my team already uses.
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Free
Basic search, 5 AI answers/day
Pro
Unlimited AI, PDF highlights
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